GB1317247A - Water vapour permeable materials - Google Patents

Water vapour permeable materials

Info

Publication number
GB1317247A
GB1317247A GB2807669A GB1317247DA GB1317247A GB 1317247 A GB1317247 A GB 1317247A GB 2807669 A GB2807669 A GB 2807669A GB 1317247D A GB1317247D A GB 1317247DA GB 1317247 A GB1317247 A GB 1317247A
Authority
GB
United Kingdom
Prior art keywords
water vapour
permeable materials
vapour permeable
materials
water
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
GB2807669A
Inventor
Eric Albert Warwicker
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.)
Porvair PLC
Original Assignee
Porvair PLC
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 Porvair PLC filed Critical Porvair PLC
Publication of GB1317247A publication Critical patent/GB1317247A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/26—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
    • 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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/9145—Endless cooling belts
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Laminated Bodies (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
GB2807669A 1969-06-03 1969-06-03 Water vapour permeable materials Expired GB1317247A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2807669 1969-06-03

Publications (1)

Publication Number Publication Date
GB1317247A true GB1317247A (en) 1973-05-16

Family

ID=10269894

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2807669A Expired GB1317247A (en) 1969-06-03 1969-06-03 Water vapour permeable materials

Country Status (10)

Country Link
JP (1) JPS5424428B1 (en)
BE (1) BE751421A (en)
CA (1) CA946112A (en)
CS (1) CS185560B2 (en)
DE (1) DE2027304A1 (en)
FR (1) FR2045820B1 (en)
GB (1) GB1317247A (en)
IE (1) IE34879B1 (en)
SU (1) SU420192A3 (en)
ZA (1) ZA703705B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62148491U (en) * 1987-02-12 1987-09-19

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2186354A1 (en) * 1972-03-21 1974-01-11 Brosseau Jacque Impregnating coating and laminating device - includes a horizontal platform having laminating and coating stations and a coagulating bath below the platform
DE2443303A1 (en) * 1974-09-10 1976-03-18 Bayer Ag METHOD AND DEVICE FOR TREATMENT OF FILMS

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR581390A (en) * 1924-05-07 1924-11-27 Process for the production of films from solutions of combinations of cellulose, gelatin and similar substances
BE348569A (en) * 1927-02-05 1900-01-01
FR1173001A (en) * 1956-04-10 1959-02-18 Us Rubber Co Manufacture of polyurethane foam sheets

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62148491U (en) * 1987-02-12 1987-09-19

Also Published As

Publication number Publication date
DE2027304A1 (en) 1970-12-10
FR2045820A1 (en) 1971-03-05
JPS5424428B1 (en) 1979-08-21
CA946112A (en) 1974-04-30
CS185560B2 (en) 1978-10-31
SU420192A3 (en) 1974-03-15
BE751421A (en) 1970-12-03
FR2045820B1 (en) 1974-07-12
IE34879B1 (en) 1975-09-17
ZA703705B (en) 1972-01-26
IE34879L (en) 1970-12-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee