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GB1327028A - Stratified fluoro-carbon resin material - Google Patents

Stratified fluoro-carbon resin material

Info

Publication number
GB1327028A
GB1327028A GB4441569A GB1327028DA GB1327028A GB 1327028 A GB1327028 A GB 1327028A GB 4441569 A GB4441569 A GB 4441569A GB 1327028D A GB1327028D A GB 1327028DA GB 1327028 A GB1327028 A GB 1327028A
Authority
GB
United Kingdom
Prior art keywords
layer
fluorocarbon resin
resin
stratified
unfoamed
Prior art date
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
GB4441569A
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.)
Serck Industries Ltd
Original Assignee
Serck 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.)
Filing date
Publication date
Application filed by Serck Industries Ltd filed Critical Serck Industries Ltd
Publication of GB1327028A publication Critical patent/GB1327028A/en
Expired legal-status Critical Current

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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/10—Applying counter-pressure during expanding
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B29C67/205—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising surface fusion, and bonding of particles to form voids, e.g. sintering
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

1327028 Stratified fluorocarbon resin material SERCK INDUSTRIES Ltd 9 Sept 1970 [9 Sept 1969] 44415/69 Heading B5A A stratified fluorocarbon resin material comprises a layer of unfoamed fluorocarbon resin and a layer of foamed fluorocarbon resin integrally connected thereto. The fluorocarbon resin is preferably P.T.F.E. It is formed by compacting a layer of powdered fluorocarbon resin and then an adjacent layer of a mixture of the powdered resin and a powdered material which decomposes to form a gas at the sintering temperature and then sintering. The decomposable material may be an acrylic resin copolymer. The material may have regions where the unfoamed resin extends through the whole thickness thereof, this being formed by a die having recesses to form the thicker regions. If desired, a further layer of unfoamed P.T.F.E. may be applied to the composite after sintering so as to enclose the foamed layer totally. Various areas may be reinforced by suitable fillers or metal inserts.
GB4441569A 1970-09-09 1970-09-09 Stratified fluoro-carbon resin material Expired GB1327028A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4441569 1970-09-09

Publications (1)

Publication Number Publication Date
GB1327028A true GB1327028A (en) 1973-08-15

Family

ID=10433194

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4441569A Expired GB1327028A (en) 1970-09-09 1970-09-09 Stratified fluoro-carbon resin material

Country Status (1)

Country Link
GB (1) GB1327028A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009054911A2 (en) * 2007-10-19 2009-04-30 Porex Corporation Oriented molded articles and methods of making and using the same
WO2011117569A1 (en) * 2010-03-25 2011-09-29 Ipco Ventures Limited Forming plastic panels
US8801414B2 (en) 2010-03-25 2014-08-12 Simpet Holdings LLC Systems for forming aggregate materials from heat fusable powdered materials

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009054911A2 (en) * 2007-10-19 2009-04-30 Porex Corporation Oriented molded articles and methods of making and using the same
WO2009054911A3 (en) * 2007-10-19 2011-04-28 Porex Corporation Oriented molded articles and methods of making and using the same
WO2011117569A1 (en) * 2010-03-25 2011-09-29 Ipco Ventures Limited Forming plastic panels
US8801414B2 (en) 2010-03-25 2014-08-12 Simpet Holdings LLC Systems for forming aggregate materials from heat fusable powdered materials
US9522491B2 (en) 2010-03-25 2016-12-20 Simpet Holdings LLC Systems for forming aggregate materials from heat fusable powered materials

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees