CA1094767A - Procede d'extrusion de polytetrafluoroethylene servant a la fabrication de tubes et appareil connexe - Google Patents

Procede d'extrusion de polytetrafluoroethylene servant a la fabrication de tubes et appareil connexe

Info

Publication number: CA1094767A
Authority: CA; Canada
Prior art keywords: die; extrusion; cylinder; product; mandrel
Prior art date: 1975-12-15
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.): Expired

Application number

CA331,614A

Other languages

English (en)

Inventor

Koichi Okita

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.)

Sumitomo Electric Industries Ltd

Original Assignee

Sumitomo Electric Industries 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.)

1975-12-15

Filing date

1979-07-11

Publication date

1981-02-03

1975-12-15 Priority claimed from JP50149718A external-priority patent/JPS5828107B2/ja

1976-09-22 Priority claimed from JP11400676A external-priority patent/JPS5341362A/ja

1979-07-11 Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd

1979-07-11 Priority to CA331,614A priority Critical patent/CA1094767A/fr

1981-02-03 Application granted granted Critical

1981-02-03 Publication of CA1094767A publication Critical patent/CA1094767A/fr

Status Expired legal-status Critical Current

Links

238000001125 extrusion Methods 0.000 title claims abstract description 112
238000000034 method Methods 0.000 title claims abstract description 77
239000000463 material Substances 0.000 title claims abstract description 49
239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 33
-1 polytetrafluoroethylene Polymers 0.000 title claims abstract description 31
229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 30
230000008569 process Effects 0.000 title description 48
239000000203 mixture Substances 0.000 claims abstract description 21
239000000314 lubricant Substances 0.000 claims abstract description 11
239000012815 thermoplastic material Substances 0.000 claims abstract description 4
238000010438 heat treatment Methods 0.000 claims description 9
229940058401 polytetrafluoroethylene Drugs 0.000 abstract description 31
239000000047 product Substances 0.000 description 75
239000011347 resin Substances 0.000 description 43
229920005989 resin Polymers 0.000 description 43
239000000835 fiber Substances 0.000 description 29
230000015572 biosynthetic process Effects 0.000 description 27
238000005245 sintering Methods 0.000 description 19
230000008602 contraction Effects 0.000 description 18
239000002184 metal Substances 0.000 description 15
238000010008 shearing Methods 0.000 description 14
238000005452 bending Methods 0.000 description 13
235000012438 extruded product Nutrition 0.000 description 11
239000010687 lubricating oil Substances 0.000 description 10
239000000843 powder Substances 0.000 description 10
239000004020 conductor Substances 0.000 description 8
230000000694 effects Effects 0.000 description 8
239000003921 oil Substances 0.000 description 7
239000004033 plastic Substances 0.000 description 6
229920003023 plastic Polymers 0.000 description 6
230000008859 change Effects 0.000 description 5
230000003247 decreasing effect Effects 0.000 description 5
238000004519 manufacturing process Methods 0.000 description 5
238000005096 rolling process Methods 0.000 description 5
230000015556 catabolic process Effects 0.000 description 4
238000007796 conventional method Methods 0.000 description 4
238000005259 measurement Methods 0.000 description 4
230000003068 static effect Effects 0.000 description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
101100328887 Caenorhabditis elegans col-34 gene Proteins 0.000 description 3
229920006358 Fluon Polymers 0.000 description 3
239000004809 Teflon Substances 0.000 description 3
229920006362 Teflon® Polymers 0.000 description 3
230000007423 decrease Effects 0.000 description 3
230000007547 defect Effects 0.000 description 3
238000001035 drying Methods 0.000 description 3
238000002844 melting Methods 0.000 description 3
230000008018 melting Effects 0.000 description 3
235000017166 Bambusa arundinacea Nutrition 0.000 description 2
235000017491 Bambusa tulda Nutrition 0.000 description 2
241001330002 Bambuseae Species 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
235000015334 Phyllostachys viridis Nutrition 0.000 description 2
239000011425 bamboo Substances 0.000 description 2
229910052799 carbon Inorganic materials 0.000 description 2
238000000748 compression moulding Methods 0.000 description 2
230000000875 corresponding effect Effects 0.000 description 2
230000007797 corrosion Effects 0.000 description 2
238000005260 corrosion Methods 0.000 description 2
238000013461 design Methods 0.000 description 2
230000009467 reduction Effects 0.000 description 2
230000001105 regulatory effect Effects 0.000 description 2
239000004215 Carbon black (E152) Substances 0.000 description 1
101100482556 Drosophila melanogaster Trpm gene Proteins 0.000 description 1
239000004908 Emulsion polymer Substances 0.000 description 1
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
239000002253 acid Substances 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
239000000853 adhesive Substances 0.000 description 1
230000001070 adhesive effect Effects 0.000 description 1
238000013019 agitation Methods 0.000 description 1
150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
238000009835 boiling Methods 0.000 description 1
239000004917 carbon fiber Substances 0.000 description 1
238000004040 coloring Methods 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
238000005336 cracking Methods 0.000 description 1
230000002950 deficient Effects 0.000 description 1
238000005553 drilling Methods 0.000 description 1
150000002148 esters Chemical class 0.000 description 1
239000002657 fibrous material Substances 0.000 description 1
239000000945 filler Substances 0.000 description 1
239000012467 final product Substances 0.000 description 1
239000012530 fluid Substances 0.000 description 1
239000003365 glass fiber Substances 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
150000002430 hydrocarbons Chemical class 0.000 description 1
230000006872 improvement Effects 0.000 description 1
239000011810 insulating material Substances 0.000 description 1
150000002576 ketones Chemical class 0.000 description 1
238000005065 mining Methods 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000000465 moulding Methods 0.000 description 1
238000003825 pressing Methods 0.000 description 1
238000012545 processing Methods 0.000 description 1
230000002787 reinforcement Effects 0.000 description 1
230000003252 repetitive effect Effects 0.000 description 1
239000010959 steel Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
238000012360 testing method Methods 0.000 description 1
BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
229920005992 thermoplastic resin Polymers 0.000 description 1
230000007704 transition Effects 0.000 description 1
229960002415 trichloroethylene Drugs 0.000 description 1
UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1

Landscapes

Extrusion Moulding Of Plastics Or The Like (AREA)

CA331,614A 1975-12-15 1979-07-11 Procede d'extrusion de polytetrafluoroethylene servant a la fabrication de tubes et appareil connexe Expired CA1094767A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA331,614A CA1094767A (fr)	1975-12-15	1979-07-11	Procede d'extrusion de polytetrafluoroethylene servant a la fabrication de tubes et appareil connexe

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
JP50149718A JPS5828107B2 (ja)	1975-12-15	1975-12-15	４フツカエチレンジユシカンザイリヨウノオシダシセイケイホウホウオヨビソノソウチ
JP149718/75		1975-12-15
JP114006/76		1976-09-22
JP11400676A JPS5341362A (en)	1976-09-22	1976-09-22	Method of extrusion molding tubular tetrafluoroethylene resin material
CA331,614A CA1094767A (fr)	1975-12-15	1979-07-11	Procede d'extrusion de polytetrafluoroethylene servant a la fabrication de tubes et appareil connexe

Publications (1)

Publication Number	Publication Date
CA1094767A true CA1094767A (fr)	1981-02-03

Family

ID=27166330

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA331,614A Expired CA1094767A (fr)	1975-12-15	1979-07-11	Procede d'extrusion de polytetrafluoroethylene servant a la fabrication de tubes et appareil connexe

Country Status (1)

Country	Link
CA (1)	CA1094767A (fr)

1979
- 1979-07-11 CA CA331,614A patent/CA1094767A/fr not_active Expired

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Legal Events

Date	Code	Title	Description
1998-02-03	MKEX	Expiry