JPS533982U - - Google Patents

Info

Publication number: JPS533982U
Authority: JP; Japan
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.): Pending

Application number

JP1976084610U

Other languages

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.)

1976-06-29

Filing date

1976-06-29

Publication date

1978-01-14

1976-06-29 Application filed filed Critical

1976-06-29 Priority to JP1976084610U priority Critical patent/JPS533982U/ja

1978-01-14 Publication of JPS533982U publication Critical patent/JPS533982U/ja

Status Pending legal-status Critical Current

Classifications

- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/62—Screws characterised by the shape of the thread channel, e.g. U-shaped
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/565—Screws having projections other than the thread, e.g. pins
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
- B29C48/605—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw the thread being discontinuous

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Extrusion Moulding Of Plastics Or The Like (AREA)

JP1976084610U 1976-06-29 1976-06-29 Pending JPS533982U (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP1976084610U JPS533982U (en)	1976-06-29	1976-06-29

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP1976084610U JPS533982U (en)	1976-06-29	1976-06-29

Publications (1)

Publication Number	Publication Date
JPS533982U true JPS533982U (en)	1978-01-14

Family

ID=28695868

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP1976084610U Pending JPS533982U (en)	1976-06-29	1976-06-29

Country Status (1)

Country	Link
JP (1)	JPS533982U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4982756A (en) *	1972-11-21	1974-08-09

1976
- 1976-06-29 JP JP1976084610U patent/JPS533982U/ja active Pending

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4982756A (en) *	1972-11-21	1974-08-09

Publication	Publication Date	Title
BR7700741A (en)	1977-10-11
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CH592368A5 (en)	1977-10-31
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CH594373A5 (en)	1978-01-13
CH594976A5 (en)	1978-01-31
CH595573A5 (en)	1978-02-15
CH596014A5 (en)	1978-02-28
CH596340A5 (en)	1978-03-15
CH597700A5 (en)	1978-04-14
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DD127501A3 (en)	1977-09-28