FI770143A - - Google Patents

Info

Publication number: FI770143A
Authority: FI; Finland

Application number

FI770143A

Other languages

Finnish (fi)

Inventor

Alfred Patzner

Original Assignee

Hoechst Ag

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.)

1976-01-20

Filing date

1977-01-18

Publication date

1977-07-21

1976-01-20 Priority claimed from DE19762601818 external-priority patent/DE2601818A1/en

1976-06-02 Priority claimed from DE19762624625 external-priority patent/DE2624625A1/en

1977-01-18 Application filed by Hoechst Ag filed Critical Hoechst Ag

1977-07-21 Publication of FI770143A publication Critical patent/FI770143A/fi

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/01—Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/08—Bending or folding of tubes or other profiled members
- B29C53/083—Bending or folding of tubes or other profiled members bending longitudinally, i.e. modifying the curvature of the tube axis
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/82—Cores or mandrels
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Shaping Of Tube Ends By Bending Or Straightening (AREA)

FI770143A 1976-01-20 1977-01-18 FI770143A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19762601818 DE2601818A1 (en)	1976-01-20	1976-01-20	Thermoplastics tube turn or bend prodn. - by heating a straight tubular piece, introducing a supporting core, and bending about a template
DE19762624625 DE2624625A1 (en)	1976-06-02	1976-06-02	Tool layout for forming pipe elbows of thermoplastics - includes mandrel formed by thin metal or plastics blades

Publications (1)

Publication Number	Publication Date
FI770143A true FI770143A (en)	1977-07-21

Family

ID=25769931

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI770143A FI770143A (en)	1976-01-20	1977-01-18

Country Status (12)

Country	Link
AT (1)	AT365970B (en)
AU (1)	AU508830B2 (en)
CH (1)	CH617385A5 (en)
DD (1)	DD128268A5 (en)
FI (1)	FI770143A (en)
FR (1)	FR2338782A1 (en)
GB (1)	GB1574445A (en)
IN (1)	IN144926B (en)
IT (1)	IT1077591B (en)
NL (1)	NL7700383A (en)
NO (1)	NO770150L (en)
SE (1)	SE417799B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8901618D0 (en) *	1989-01-25	1989-03-15	Mckechnie Plastics Limited Ans	Method of forming hoses and tubes of thermoplastic material
DE19926330C2 (en)	1999-06-09	2001-08-09	Thyssenkrupp Stahl Ag	Bending mandrel for a bending device and bending method for pipes
CN106552848A (en) *	2016-11-14	2017-04-05	芜湖通和汽车管路系统股份有限公司	For the core muscle of automobile pipeline bending
CN112718980A (en) *	2020-12-23	2021-04-30	凌云工业股份有限公司	Integrated casting type core mechanism with built-in steel wire rope wrapped by polyurethane

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE161517C (en) *
GB158957A (en) *	1919-11-04	1921-02-04	Emile Copeland	Improved flexible mandrel for use in bending tubes
DE632274C (en) *	1934-07-18	1936-07-04	Hochvoltisolation Ag F	Process for the production of stiff, curved insulating pipe pieces from hard paper or hard tissue using a flexible mandrel for laying electrical cables
FR933363A (en) *	1945-12-11	1948-04-19	Onderzoekings Inst Res	Bending process for pipes made of fully synthetic, hot-workable materials
US2464796A (en) *	1946-11-19	1949-03-22	Russell B Cushman	Brick cleaning and shaping machine
FR1118552A (en) *	1954-07-26	1956-06-07	Goodyear Tire & Rubber	Method and device for reshaping pipes and other conduits
GB845241A (en) *	1957-12-02	1960-08-17	Gen Electric Co Ltd	Improvements in or relating to waveguides and methods of bending waveguides
GB837462A (en) *	1957-12-02	1960-06-15	Gen Electric Co Ltd	Improvements in or relating to waveguides and methods of bending waveguides
GB881854A (en) *	1958-05-12	1961-11-08	Btr Industries Ltd	Improvements relating to pipe bending
US2971224A (en) *	1958-07-28	1961-02-14	Tamar Electronics Ind	Method for producing radar probe
BE597570A (en) *	1961-11-03
US3184796A (en) *	1963-01-28	1965-05-25	Marvin A Southcott	Apparatus for bending plastic pipe
DE1552862A1 (en) *	1966-12-29	1969-09-11	Banning Ag Maschinenfabrik J	Bending mandrel for thin-walled pipes
DE1704661B1 (en) *	1967-11-29	1972-05-31	Hoechst Ag	METHOD AND DEVICE FOR MANUFACTURING AN ELBOW TUBE FROM THERMOPLASTIC PLASTIC
US3922134A (en) *	1973-12-17	1975-11-25	Robintech Inc	Pipe bending mandrel
DE2709996C3 (en) *	1977-03-08	1982-01-14	Hoechst Ag, 6000 Frankfurt	Device for producing a pipe bend from a thermoplastic material

1977
- 1977-01-14 NL NL7700383A patent/NL7700383A/en not_active Application Discontinuation
- 1977-01-17 CH CH53877A patent/CH617385A5/en not_active IP Right Cessation
- 1977-01-17 IN IN66/CAL/1977A patent/IN144926B/en unknown
- 1977-01-18 NO NO770150A patent/NO770150L/en unknown
- 1977-01-18 GB GB1912/77A patent/GB1574445A/en not_active Expired
- 1977-01-18 IT IT19414/77A patent/IT1077591B/en active
- 1977-01-18 FI FI770143A patent/FI770143A/fi not_active Application Discontinuation
- 1977-01-18 DD DD7700196991A patent/DD128268A5/en unknown
- 1977-01-19 AT AT0028077A patent/AT365970B/en not_active IP Right Cessation
- 1977-01-19 AU AU21434/77A patent/AU508830B2/en not_active Expired
- 1977-01-19 SE SE7700524A patent/SE417799B/en unknown
- 1977-01-20 FR FR7701503A patent/FR2338782A1/en active Granted

Also Published As

Publication number	Publication date
IN144926B (en)	1978-07-29
AT365970B (en)	1982-02-25
AU2143477A (en)	1978-07-27
DD128268A5 (en)	1977-11-09
ATA28077A (en)	1981-07-15
IT1077591B (en)	1985-05-04
SE417799B (en)	1981-04-13
AU508830B2 (en)	1980-04-03
FR2338782A1 (en)	1977-08-19
CH617385A5 (en)	1980-05-30
NO770150L (en)	1977-07-21
NL7700383A (en)	1977-07-22
FR2338782B1 (en)	1980-06-06
GB1574445A (en)	1980-09-10
SE7700524L (en)	1977-07-21

Publication	Publication Date	Title
FR2338782B1 (en)	1980-06-06
JPS5330526U (en)	1978-03-16
FR2348352B3 (en)	1979-01-12
JPS5427430B2 (en)	1979-09-10
JPS5740067B2 (en)	1982-08-25
JPS5529225B2 (en)	1980-08-01
JPS5344102U (en)	1978-04-15
DE2613681C3 (en)	1981-06-04
JPS5522115Y2 (en)	1980-05-27
JPS52113788U (en)	1977-08-29
JPS52121141U (en)	1977-09-14
CS178372B1 (en)	1977-09-15
CS188447B1 (en)	1979-03-30
JPS52105082U (en)	1977-08-10
JPS52117871U (en)	1977-09-07
JPS5322753U (en)	1978-02-25
JPS5319121U (en)	1978-02-18
JPS5299095U (en)	1977-07-26
JPS52153485U (en)	1977-11-21
JPS52132824U (en)	1977-10-08
CH605070A5 (en)	1978-09-29
DD125561A1 (en)	1977-05-04
DD126702A1 (en)	1977-08-03
CH606749A5 (en)	1978-11-15
CH598889A5 (en)	1978-05-12

Legal Events

Date	Code	Title	Description
2004-08-31	FA	Application withdrawn	Owner name: HOECHST AG