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BE761588A - FLEXIBLE DIAPHRAGMS IMPROVEMENTS - Google Patents

FLEXIBLE DIAPHRAGMS IMPROVEMENTS

Info

Publication number
BE761588A
BE761588A BE761588A BE761588A BE761588A BE 761588 A BE761588 A BE 761588A BE 761588 A BE761588 A BE 761588A BE 761588 A BE761588 A BE 761588A BE 761588 A BE761588 A BE 761588A
Authority
BE
Belgium
Prior art keywords
flexible diaphragms
diaphragms
flexible
diaphragms improvements
Prior art date
Application number
BE761588A
Other languages
French (fr)
Original Assignee
Btr Industries Ltd
Engschapes 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 Btr Industries Ltd, Engschapes Ltd filed Critical Btr Industries Ltd
Publication of BE761588A publication Critical patent/BE761588A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/005—Producing membranes
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/14—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets
    • B29C51/145—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets having at least one layer of textile or fibrous material combined with at least one plastics layer
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/006—Using vacuum
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/10—Forming by pressure difference, e.g. vacuum
    • 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)
  • Textile Engineering (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Diaphragms And Bellows (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
BE761588A 1970-01-15 1971-01-14 FLEXIBLE DIAPHRAGMS IMPROVEMENTS BE761588A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB205970 1970-01-15

Publications (1)

Publication Number Publication Date
BE761588A true BE761588A (en) 1971-06-16

Family

ID=9732880

Family Applications (1)

Application Number Title Priority Date Filing Date
BE761588A BE761588A (en) 1970-01-15 1971-01-14 FLEXIBLE DIAPHRAGMS IMPROVEMENTS

Country Status (5)

Country Link
BE (1) BE761588A (en)
DE (1) DE2101825C3 (en)
FR (1) FR2075248A5 (en)
GB (1) GB1328991A (en)
NL (1) NL146427B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2931715C2 (en) * 1979-08-04 1982-03-18 Metzeler Kautschuk GmbH, 8000 München Molding tool for the production of membranes
FR2577164B1 (en) * 1985-02-12 1987-05-29 Flonic Sa PROCESS FOR PRODUCING SYNTHETIC MEMBRANES FOR GAS METER AND GAS METER COMPRISING A MEMBRANE OBTAINED BY IMPLEMENTING SAID METHOD
US6063326A (en) * 1998-09-14 2000-05-16 Ford Motor Company Method of thermoforming a thin multi-layer flexible film

Also Published As

Publication number Publication date
NL7100460A (en) 1971-07-19
GB1328991A (en) 1973-09-05
DE2101825C3 (en) 1974-06-27
FR2075248A5 (en) 1971-10-08
DE2101825B2 (en) 1973-11-29
DE2101825A1 (en) 1971-07-22
NL146427B (en) 1975-07-15

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