BE804929A - Procede de fabrication de pieces creuses a parois minces en polytetrafluorethylene, dispositif pour sa mise en oeuvre et pieces obtenues - Google Patents

Procede de fabrication de pieces creuses a parois minces en polytetrafluorethylene, dispositif pour sa mise en oeuvre et pieces obtenues

Info

Publication number
BE804929A
BE804929A BE135711A BE135711A BE804929A BE 804929 A BE804929 A BE 804929A BE 135711 A BE135711 A BE 135711A BE 135711 A BE135711 A BE 135711A BE 804929 A BE804929 A BE 804929A
Authority
BE
Belgium
Prior art keywords
parts
polytetrafluorethylene
implementation
manufacturing thin
wall hollow
Prior art date
Application number
BE135711A
Other languages
English (en)
Original Assignee
S & T
Steiger Engineering
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 S & T, Steiger Engineering filed Critical S & T
Publication of BE804929A publication Critical patent/BE804929A/fr

Links

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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/40—Plastics, e.g. foam or rubber
    • B29C33/405—Elastomers, e.g. rubber
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/006—Pressing and sintering powders, granules or fibres
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/027—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles having an axis of symmetry
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/251—Particles, powder or granules
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/24—Pipe joints or couplings
    • B29L2031/243—Elbows
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/24—Pipe joints or couplings
    • B29L2031/246—T-joints

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
BE135711A 1972-09-18 1973-09-17 Procede de fabrication de pieces creuses a parois minces en polytetrafluorethylene, dispositif pour sa mise en oeuvre et pieces obtenues BE804929A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1363272A CH556732A (de) 1972-09-18 1972-09-18 Verfahren zur herstellung von duennwandigen hohlkoerpern aus polytetrafluoraethylen, vorrichtung zur durchfuehrung des verfahrens sowie nach dem verfahren hergestellter hohlkoerper.

Publications (1)

Publication Number Publication Date
BE804929A true BE804929A (fr) 1974-03-18

Family

ID=4394041

Family Applications (1)

Application Number Title Priority Date Filing Date
BE135711A BE804929A (fr) 1972-09-18 1973-09-17 Procede de fabrication de pieces creuses a parois minces en polytetrafluorethylene, dispositif pour sa mise en oeuvre et pieces obtenues

Country Status (11)

Country Link
US (1) US3897532A (fr)
JP (1) JPS5549970B2 (fr)
BE (1) BE804929A (fr)
BR (1) BR7307208D0 (fr)
CH (1) CH556732A (fr)
DE (1) DE2346785C2 (fr)
ES (1) ES418850A1 (fr)
FR (1) FR2200098B1 (fr)
GB (1) GB1447548A (fr)
IT (1) IT1012075B (fr)
NL (1) NL7312791A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112659438A (zh) * 2020-12-22 2021-04-16 梁佳鹏 一种单次双头压聚四氟乙烯模压棒加工装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4708626A (en) * 1985-03-14 1987-11-24 Denki Kagaku Kogyo Kabushiki Kaisha Mold assembly
DE3517463C1 (de) * 1985-05-14 1986-09-04 Bühler, Eugen, Dipl.-Ing., 8877 Burtenbach Isostatische Pressform zur Herstellung von Formlingen aus keramischer Masse
DE646937T1 (de) * 1990-11-30 1995-11-30 Intermetallics Co Ltd Verfahren zur Dauermagnet-Herstellung und Apparat zur Formierung eines grünen Kompakts.
US5672363A (en) * 1990-11-30 1997-09-30 Intermetallics Co., Ltd. Production apparatus for making green compact
ATE148641T1 (de) * 1992-08-10 1997-02-15 Intermetallics Co Ltd Beschichtungsverfahren

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2558823A (en) * 1949-05-27 1951-07-03 Henry L Crowley Apparatus for molding articles
US3235637A (en) * 1964-03-09 1966-02-15 Haveg Industries Inc Process for molding polymers of halohydrocarbons
NL145800B (nl) * 1964-08-18 1975-05-15 Edison Soc Werkwijze ter vervaardiging van holle voorwerpen van polytetrafluoretheen.
US3391221A (en) * 1964-09-21 1968-07-02 Gore & Ass Fluorocarbon polymer molding compositions
US3312764A (en) * 1964-10-22 1967-04-04 Haveg Industries Inc Cold powder molding of polytetrafluoroethylene
US3635624A (en) * 1968-10-22 1972-01-18 Yoshio Nakakoshi Blow-molding apparatus
US3632243A (en) * 1970-11-04 1972-01-04 Lambert H Mott Apparatus for forming porous seamless tubing
US3737276A (en) * 1971-09-17 1973-06-05 Carborundum Co Molding of powdered or granular material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112659438A (zh) * 2020-12-22 2021-04-16 梁佳鹏 一种单次双头压聚四氟乙烯模压棒加工装置

Also Published As

Publication number Publication date
ES418850A1 (es) 1976-06-16
JPS5549970B2 (fr) 1980-12-15
FR2200098A1 (fr) 1974-04-19
FR2200098B1 (fr) 1977-05-20
DE2346785C2 (de) 1984-03-22
JPS4994777A (fr) 1974-09-09
NL7312791A (fr) 1974-03-20
BR7307208D0 (pt) 1974-07-25
CH556732A (de) 1974-12-13
DE2346785A1 (de) 1974-03-28
IT1012075B (it) 1977-03-10
US3897532A (en) 1975-07-29
GB1447548A (en) 1976-08-25

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: CIE PLASTICS OMNIUM

Effective date: 19930917