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CH546140A - PROCESS AND PRESSING TOOL FOR MANUFACTURING MEMBRANES FROM POLYTETRAFLUORAETHYLENE. - Google Patents

PROCESS AND PRESSING TOOL FOR MANUFACTURING MEMBRANES FROM POLYTETRAFLUORAETHYLENE.

Info

Publication number
CH546140A
CH546140A CH546140DA CH546140A CH 546140 A CH546140 A CH 546140A CH 546140D A CH546140D A CH 546140DA CH 546140 A CH546140 A CH 546140A
Authority
CH
Switzerland
Prior art keywords
polytetrafluoraethylene
pressing tool
manufacturing membranes
membranes
manufacturing
Prior art date
Application number
Other languages
German (de)
Original Assignee
Hermsdorf Keramik Veb
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 Hermsdorf Keramik Veb filed Critical Hermsdorf Keramik Veb
Publication of CH546140A publication Critical patent/CH546140A/en

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
    • B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
    • 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
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • 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
    • B29L2031/755—Membranes, diaphragms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
CH546140D 1971-12-08 1972-12-05 PROCESS AND PRESSING TOOL FOR MANUFACTURING MEMBRANES FROM POLYTETRAFLUORAETHYLENE. CH546140A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD15943471A DD98238A1 (en) 1971-12-08 1971-12-08

Publications (1)

Publication Number Publication Date
CH546140A true CH546140A (en) 1974-02-28

Family

ID=5484742

Family Applications (1)

Application Number Title Priority Date Filing Date
CH546140D CH546140A (en) 1971-12-08 1972-12-05 PROCESS AND PRESSING TOOL FOR MANUFACTURING MEMBRANES FROM POLYTETRAFLUORAETHYLENE.

Country Status (8)

Country Link
AT (1) AT345542B (en)
CH (1) CH546140A (en)
CS (1) CS167365B2 (en)
DD (1) DD98238A1 (en)
DE (1) DE2253589A1 (en)
HU (1) HU169343B (en)
PL (1) PL79147B1 (en)
RO (1) RO89298A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1024586B1 (en) * 2016-12-21 2018-04-12 Vanéflon Nv Method for manufacturing a polytetrafluoroethylene product and polytetrafluoroethylene product

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3008339B1 (en) * 2013-07-15 2015-08-07 Commissariat Energie Atomique PROCESS FOR FORMING A PLATE IN A FRITTE POLYTETRAFLUOROETHYLENE AND RESTRUCTURE AND ITS APPLICATIONS
DE102013216597B4 (en) * 2013-08-21 2019-02-14 Gemü Gebr. Müller Apparatebau Gmbh & Co. Kommanditgesellschaft Process for producing a green body for a diaphragm of a valve device and device for producing the green body for a diaphragm of a valve device
DE102013111722B3 (en) * 2013-10-24 2015-02-05 Pierburg Gmbh Actuator for valves in internal combustion engines
DE102014222522A1 (en) 2014-11-05 2016-05-12 GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG Pressing device and method for operating the pressing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1024586B1 (en) * 2016-12-21 2018-04-12 Vanéflon Nv Method for manufacturing a polytetrafluoroethylene product and polytetrafluoroethylene product

Also Published As

Publication number Publication date
ATA946772A (en) 1978-01-15
DE2253589A1 (en) 1973-06-14
PL79147B1 (en) 1975-06-30
HU169343B (en) 1976-11-28
DD98238A1 (en) 1973-06-12
RO89298A2 (en) 1986-06-30
CS167365B2 (en) 1976-04-29
AT345542B (en) 1978-09-25

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Legal Events

Date Code Title Description
PL Patent ceased