[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

CN106626310A - Protection mold for pipe coating equipment and pipe coating equipment - Google Patents

Protection mold for pipe coating equipment and pipe coating equipment Download PDF

Info

Publication number
CN106626310A
CN106626310A CN201611180874.5A CN201611180874A CN106626310A CN 106626310 A CN106626310 A CN 106626310A CN 201611180874 A CN201611180874 A CN 201611180874A CN 106626310 A CN106626310 A CN 106626310A
Authority
CN
China
Prior art keywords
pipe
coating equipment
hole
protection mould
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201611180874.5A
Other languages
Chinese (zh)
Other versions
CN106626310B (en
Inventor
杜素果
王振江
杨志强
岳步平
张颖
于发
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Chinaust Automotive Plastics Co Ltd
Original Assignee
Hebei Chinaust Automotive Plastics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hebei Chinaust Automotive Plastics Co Ltd filed Critical Hebei Chinaust Automotive Plastics Co Ltd
Priority to CN201611180874.5A priority Critical patent/CN106626310B/en
Publication of CN106626310A publication Critical patent/CN106626310A/en
Application granted granted Critical
Publication of CN106626310B publication Critical patent/CN106626310B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/151Coating hollow articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/32Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00Tubular articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)

Abstract

The invention relates to a protection mold for pipe coating equipment and the pipe coating equipment. The protection mold for the pipe coating equipment comprises a mold body, wherein the mold body is provided with a through hole for penetration of a pipe; a plurality of grooves are arranged in the wall surface of the through hole; and the extension directions of the grooves are parallel to the motion direction of the pipe in the through hole, thereby reducing the obstacle of the wall surface of the through hole to motion of the pipe in the through hole through the grooves. The grooves are arranged in the wall surface of the through hole, so that when the pipe moves in the through hole, the obstacle of the wall surface of the through hole to the pipe can be reduced through the grooves. Due to a manufacturing problem, when a bulge is formed in the outer wall of the pipe, if the grooves are not arranged, the bulge can prevent the pipe from further moving, a coating disorder phenomenon is generated by a coating arranged at the outer side of the mold, the problems of breaking and the like of the pipe which is made of a braided wire or of which the outer wall is provided with the braided wire are generated, and after the grooves are arranged, the problems can be reduced, so that the protection mold plays a good protecting role.

Description

For the protection mould and tubing coating equipment of tubing coating equipment
Technical field
The present invention relates to pipeline coating technology field, more particularly to a kind of protection mould and pipe for tubing coating equipment Material coating equipment.
Background technology
At present, for extrusion cladding pipe-type product, the common die employed in extrusion, be typically provided only with The roughly the same endoporus of tube outer diameter.But in process of production, often cause to produce because the matching of mould hole size is improper The problems such as product are scratched, eccentric, cladding string skin, litzendraht wire are hung up, to subsequent use large effect is caused, and because product will Processing technology is sought and cannot be changed, therefore needs a kind of suitable mould of design badly.
It should be noted that the information for being disclosed in background of invention part is merely intended to increase the totality to the present invention The understanding of background, and be not construed as recognizing or imply in any form the information structure by those skilled in the art public affairs The prior art known.
The content of the invention
The purpose of the present invention is to propose to a kind of protection mould and tubing coating equipment for tubing coating equipment, to the greatest extent may be used The problems such as avoiding product scuffing, cladding string skin and litzendraht wire from hanging up energy.
For achieving the above object, the invention provides a kind of protection mould for tubing coating equipment, including mould sheet Body, the die ontology is provided with the through hole for wearing pipe, the wall of the through hole is provided with multiple grooves, and the groove prolongs Stretch that the direction of motion of the direction with the pipe in the through hole is parallel, to reduce the wall pair of the through hole by the groove The obstruction that the pipe is moved in the through hole.
Further, multiple groove interval settings, form raised between the two neighboring groove, multiple described convex The summit risen is concyclic.
Further, it is provided with gap between multiple raised summits and the outer wall of the pipe.
Further, multiple groove interval settings, form raised between the two neighboring groove, the projection Section semicircular in shape shape.
Further, multiple raised centers of circle are concyclic.
Further, multiple grooves are evenly arranged.
Further, die ontology section along its length is conical by its shape.
Further, the through hole includes equal diameter section and variable diameters section, and the groove is arranged at the equal diameter section, institute State variable diameters section to become larger along the orient diameter away from the equal diameter section, the variable diameters section is used to keep in the pipe.
Further, the groove extends along the length direction of the die ontology, and through the equal diameter section.
For achieving the above object, it is present invention also offers a kind of tubing coating equipment including above-mentioned for tubing cladding The protection mould of equipment.
It is of the invention by arranging groove on through hole wall based on above-mentioned technical proposal, when pipe is moved in through hole, can To reduce obstruction of the through-hole wall in the face of pipe by the groove, specifically, because manufacturing issue is when there is projection on tube outer wall, If not setting groove, the projection may prevent pipe from continuing to move, and being arranged on the coating on the outside of mould can also produce cladding string Therefore skin phenomenon, material also can cause the problems such as hanging up for the pipe that litzendraht wire or outer wall are provided with litzendraht wire, and arrange The generation of these problems can be then reduced after groove, is played a very good protection.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings:
Fig. 1 is that the present invention protects mould one embodiment sectional view radially for tubing coating equipment.
Fig. 2 is that the present invention protects mould one embodiment sectional view in axial direction for tubing coating equipment.
In figure:1- die ontologies, 2- through holes, 3- grooves, 4- is raised, and 5- equal diameter sections, 6- variable diameters sections, 7- first justifies, 8- second justifies.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is clearly and completely retouched State.Obviously, described embodiment a part of embodiment only of the invention, rather than the embodiment of whole.Based on this Bright embodiment, the every other enforcement that those of ordinary skill in the art are obtained under the premise of creative work is not made Example, belongs to the scope of protection of the invention.
In describing the invention, it is to be understood that term " " center ", " horizontal ", " longitudinal direction ", "front", "rear", "left", "right", " on ", D score, " vertical ", " level ", " top ", " bottom ", " interior ", the orientation of the instruction such as " outward " or position relationship be Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicates or dark Showing the device or element of indication must have specific orientation, with specific azimuth configuration and operation therefore it is not intended that right The restriction of the scope of the present invention.
It is known that in some specific industries, such as in automobile pipeline system, typically can be using to fuel pipe, combustion Oily evaporation tube etc., these pipes in use, with jolting for automobile, it may occur that vibrations, or with surrounding components, car body etc. There are contact, or contact high ambient temperatures environment, these may be damaged to pipe, affect the performance of pipe, it is therefore desirable to One layer of fused mass is coated on the outer wall of pipe, to protect pipe, strengthens the wearability of pipe, improve the service life of pipe.
When coating to pipe, by using a mould, making pipe by the mould, fused mass is arranged on outside mould Side, is wrapped on the outer wall of pipe while pipe passes mould.Due to the restriction of manufacture level, may on outer tube surface There is out-of-flatness somewhat, than if any projection etc., the material of some pipes may be litzendraht wire, or tube outer wall is provided with braiding Line, these pipes, due to the restriction of endoporus on mould, are likely to result in scratch, cladding string skin, the volume of pipe when by mould The problems such as knitting line and hang up, so as to affect the performance of pipe.
For this purpose, the present invention proposes a kind of protection mould for tubing coating equipment.In the embodiment shown in fig. 1, The protection mould includes die ontology 1, and die ontology 1 is provided with the through hole 2 for wearing pipe, and the wall of through hole 2 is provided with multiple Groove 3, the direction of motion of the bearing of trend of groove 3 with the pipe in through hole 2 is parallel, to reduce through hole 2 by groove 3 Obstruction of the wall to pipe motion in the through hole 2, it is to avoid cause due to there is projection on tube outer wall stagnation that pipe moves or There is cladding string skin problem, or the problem for having litzendraht wire on pipe and causing litzendraht wire to hang up.
By arranging groove 3 on the wall of through hole 2, pipe during motion, can reduce logical in through hole 2 by the groove 3 Obstruction of the wall of hole 2 to pipe, specifically, because manufacturing issue is when there is projection on tube outer wall, if not setting groove 3, this is convex Rising may prevent pipe continuation from moving, and being arranged on the coating on the outside of mould can also produce cladding string skin phenomenon, and material is volume Knit line or outer wall is provided with the pipe of litzendraht wire and also therefore can cause the problems such as hanging up, and be provided with after groove 3 and then may be used To reduce the generation of these problems, play a very good protection.
Wherein, multiple grooves 3 can be evenly arranged, to better adapt to the raised and litzendraht wire etc. of tube surface.
Further, the interval setting of multiple grooves 3, forms raised 4, multiple raised 4 summits between two neighboring groove 3 It is concyclic.As shown in figure 1, the first circle 7 be multiple raised 4 summits jointly circle, the summit of these projections 4 is concyclic, has Beneficial to the movable scope for being located in pipe in through hole 2 is limited in controlled range, the position of guarantee pipe is also beneficial to not Deflection, it is to avoid eccentricity issues occurs in pipe.
Wherein, the diameter of circle that multiple raised 4 summits are located (the i.e. first circle 7) matches with the external diameter of pipe, such as and the The diameter of one circle 7 can be roughly the same with the external diameter of pipe;Can also be provided between multiple raised 4 summits and the outer wall of pipe Gap, i.e., the diameter of the first circle 7 can be more somewhat larger than the external diameter of pipe, it is ensured that pipe can pass through through hole 2, can be with Effective positioning action is played to pipe;Certain gap is provided between pipe and each raised 4 summit, pipe can also be protected The attachment of outer wall, or smear etc. can be set on the wall of through hole 2.
In a preferred embodiment of the present invention for the protection mould of tubing coating equipment, the section of each projection 4 Semicircular in shape shape.
Further, multiple raised 4 centers of circle are concyclic.As shown in figure 1, the center of circle that the second circle 8 is each projection 4 is total to With circle, i.e. the center of circle of each projection 4 is linked to be the second circle 8, and it can be that the production of protection mould provide certain so to arrange Standard.
As shown in Fig. 2 the section along its length of die ontology 1 is conical by its shape, wherein length direction is axial direction side To.
Further, through hole 2 includes equal diameter section 5 and variable diameters section 6, and groove 3 is arranged at equal diameter section 5, equal diameter section 5 The motion that pipe can be made is linear motion, is easy to the coating of fused mass;Variable diameters section 6 is straight along the direction away from equal diameter section 5 Footpath becomes larger, and variable diameters section 6 is used to keep in pipe, and the through-hole diameter of variable diameters section 6 is bigger than pipe diameter, therefore is passing guarantor Before shield mould, pipe can be temporary with here.
For groove 3, can extend along the length direction of die ontology 1, and through equal diameter section 5.
Based on the above-mentioned protection mould for tubing coating equipment, the present invention also proposes a kind of tubing coating equipment, should Tubing coating equipment includes the above-mentioned protection mould for tubing coating equipment.For tubing cladding in above-mentioned each embodiment The good effect that the protection mould of equipment possesses is equally applicable to tubing coating equipment, repeats no more here.
By saying for the multiple embodiments to the protection mould for tubing coating equipment of the invention and tubing coating equipment It is bright, it can be seen that to be used in the protection mould of tubing coating equipment and tubing coating equipment embodiment in the present invention, die ontology The through hole wall of upper setting is provided with groove and projection, and compared to smooth inner bore of the prior art, protrusions of the present invention can be with The position of effective positioning tube, groove can be effectively improved the prevention quantity-produced state that pipe is caused because of rat, prevent Only pipe scratch or litzendraht wire are hung up, and can make vacuum useful effect on pipe, make ectonexine cladding compact, do not go here and there skin.
Finally it should be noted that:Above example is only to illustrate technical scheme rather than a limitation;To the greatest extent Pipe has been described in detail with reference to preferred embodiment to the present invention, and those of ordinary skill in the art should be understood:Still The specific embodiment of the present invention can be modified or equivalent is carried out to some technical characteristics;Without deviating from this The spirit of bright technical scheme, it all should cover in the middle of the technical scheme scope being claimed in the present invention.

Claims (9)

1. a kind of protection mould for tubing coating equipment, it is characterised in that including die ontology (1), the die ontology (1) it is provided with the through hole (2) for wearing pipe, the wall of the through hole (2) is provided with multiple grooves (3), groove (3) prolong The direction of motion of the direction with the pipe in the through hole (2) is stretched parallel, to reduce the through hole by the groove (3) (2) obstruction of the wall to pipe motion in the through hole (2).
2. the protection mould for tubing coating equipment according to claim 1, it is characterised in that multiple grooves (3) interval setting, forms raised (4) between the two neighboring groove (3), and the summit of multiple projections (4) is concyclic.
3. the protection mould for tubing coating equipment according to claim 2, it is characterised in that multiple projections (4) it is provided with gap between summit and the outer wall of the pipe.
4. the protection mould for tubing coating equipment according to claim 1, it is characterised in that multiple grooves (3) interval setting, forms raised (4) between the two neighboring groove (3), the section semicircular in shape shape of the projection (4).
5. the protection mould for tubing coating equipment according to claim 4, it is characterised in that multiple projections (4) the center of circle is concyclic.
6. the protection mould for tubing coating equipment according to claim 1, it is characterised in that multiple grooves (3) it is evenly arranged.
7. the protection mould for tubing coating equipment according to claim 1, it is characterised in that the die ontology (1) section along its length is conical by its shape.
8. the protection mould for tubing coating equipment according to claim 1, it is characterised in that through hole (2) bag Equal diameter section (5) and variable diameters section (6) are included, the groove (3) is arranged at the equal diameter section (5), variable diameters section (6) edge Become larger away from the orient diameter of the equal diameter section (5), the variable diameters section (6) is for keeping in the pipe.
9. a kind of tubing coating equipment, it is characterised in that include as described in any one of claim 1~8 for tubing cladding The protection mould of equipment.
CN201611180874.5A 2016-12-20 2016-12-20 Protection mold and tubing coating equipment for tubing coating equipment Active CN106626310B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611180874.5A CN106626310B (en) 2016-12-20 2016-12-20 Protection mold and tubing coating equipment for tubing coating equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611180874.5A CN106626310B (en) 2016-12-20 2016-12-20 Protection mold and tubing coating equipment for tubing coating equipment

Publications (2)

Publication Number Publication Date
CN106626310A true CN106626310A (en) 2017-05-10
CN106626310B CN106626310B (en) 2019-08-09

Family

ID=58833915

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611180874.5A Active CN106626310B (en) 2016-12-20 2016-12-20 Protection mold and tubing coating equipment for tubing coating equipment

Country Status (1)

Country Link
CN (1) CN106626310B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944641A (en) * 1961-10-02 1976-03-16 Lemelson Jerome H Process of forming an irregular surface on the inside of a tube or pipe
JPS6078717A (en) * 1983-10-05 1985-05-04 Dainichi Nippon Cables Ltd Die for pipe in which wire substance is laid
CN101143373A (en) * 2007-09-18 2008-03-19 连华平 Composite stainless steel pipe coating mould
CN202147376U (en) * 2011-07-25 2012-02-22 宁波康润机械科技有限公司 Completely-coated pipe production die
CN203421415U (en) * 2013-08-14 2014-02-05 朱莉 Anti-sticking contracting casing pipe for pipeline
CN103574278A (en) * 2013-10-31 2014-02-12 昆山市大久电子有限公司 Casing pipe for protecting automobile parts
CN204922255U (en) * 2015-09-14 2015-12-30 杭州富阳高博信息技术服务有限公司 Overpressure resistant PVC threading pipe
CN205080294U (en) * 2015-10-14 2016-03-09 浙江邦德管业有限公司 Profile of tooth silicon core pipe
CN206297126U (en) * 2016-12-20 2017-07-04 河北亚大汽车塑料制品有限公司 For the protection mould and tubing coating equipment of tubing coating equipment

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944641A (en) * 1961-10-02 1976-03-16 Lemelson Jerome H Process of forming an irregular surface on the inside of a tube or pipe
JPS6078717A (en) * 1983-10-05 1985-05-04 Dainichi Nippon Cables Ltd Die for pipe in which wire substance is laid
CN101143373A (en) * 2007-09-18 2008-03-19 连华平 Composite stainless steel pipe coating mould
CN202147376U (en) * 2011-07-25 2012-02-22 宁波康润机械科技有限公司 Completely-coated pipe production die
CN203421415U (en) * 2013-08-14 2014-02-05 朱莉 Anti-sticking contracting casing pipe for pipeline
CN103574278A (en) * 2013-10-31 2014-02-12 昆山市大久电子有限公司 Casing pipe for protecting automobile parts
CN204922255U (en) * 2015-09-14 2015-12-30 杭州富阳高博信息技术服务有限公司 Overpressure resistant PVC threading pipe
CN205080294U (en) * 2015-10-14 2016-03-09 浙江邦德管业有限公司 Profile of tooth silicon core pipe
CN206297126U (en) * 2016-12-20 2017-07-04 河北亚大汽车塑料制品有限公司 For the protection mould and tubing coating equipment of tubing coating equipment

Also Published As

Publication number Publication date
CN106626310B (en) 2019-08-09

Similar Documents

Publication Publication Date Title
CN203786314U (en) Annular optical element and lens group
CN103091922B (en) A kind of array base palte, display panel and device
WO2020033813A8 (en) Knitted component with a fused surface region located on a tubular knit structure and a method of knitting a tubular knit structure
FR3061068B1 (en) PROCESS FOR MANUFACTURING PRE-IMPREGNATED FIBROUS MATERIAL OF THERMOPLASTIC POLYMER IN POWDER FORM
CN101074678A (en) Fan
FR3061069B1 (en) PROCESS FOR THE MANUFACTURE OF A PRE-IMPREGNATED FIBROUS MATERIAL OF THERMOPLASTIC POLYMER IN THE FORM OF DRY POWDER
CN206297126U (en) For the protection mould and tubing coating equipment of tubing coating equipment
CN106626310A (en) Protection mold for pipe coating equipment and pipe coating equipment
WO2020072124A3 (en) Light emitting fibers
CN205812191U (en) A kind of camera lens carrier, voice coil motor and photographic head module
CN204267914U (en) Steel strip winding riffled tube
CN105980731A (en) Cylinder device
US9798102B2 (en) Barrel having shrinking threads
CN102646483A (en) Mould for manufacturing special cable
CN1847899A (en) Barrel combination with cam mechanism and lens combination
CN206465720U (en) Sleeve provided with waterproof antiwear coating
CN206636765U (en) A kind of pump plunger
CN202540736U (en) Cooling water jacket with grooves
CN104976501A (en) Multi-section plastic pallet
KR20090077464A (en) Vaccum mold for manufacturing an enlarged hose and method for manufacturing an enlarged hose thereby
CN207265850U (en) A kind of focusing motor shrapnel mounting structure
CN104880794A (en) Guiding method for stable traction of optical cable
CN203717044U (en) Deformed section connector copper pipe for rotor of large steam-turbine generator
CN204525924U (en) EPP forming machine moves mould leading rod assembled casing
CN205551832U (en) Novel become aperture mould

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant