BE849200A - IMPROVEMENTS MADE AND / OR RELATING TO VACUUM FORMING OR MOLDING UNDER REDUCED PRESSURE - Google Patents

IMPROVEMENTS MADE AND / OR RELATING TO VACUUM FORMING OR MOLDING UNDER REDUCED PRESSURE

Info

Publication number
BE849200A
BE849200A BE2055521A BE2055521A BE849200A BE 849200 A BE849200 A BE 849200A BE 2055521 A BE2055521 A BE 2055521A BE 2055521 A BE2055521 A BE 2055521A BE 849200 A BE849200 A BE 849200A
Authority
BE
Belgium
Prior art keywords
relating
reduced pressure
under reduced
vacuum forming
improvements made
Prior art date
Application number
BE2055521A
Other languages
French (fr)
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 filed Critical
Publication of BE849200A publication Critical patent/BE849200A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
    • 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
    • B29C51/04—Combined thermoforming and prestretching, e.g. biaxial stretching
    • B29C51/06—Combined thermoforming and prestretching, e.g. biaxial stretching using pressure difference for prestretching
    • 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
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/30—Moulds
    • B29C51/36—Moulds specially adapted for vacuum forming, Manufacture thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
BE2055521A 1976-02-04 1976-12-09 IMPROVEMENTS MADE AND / OR RELATING TO VACUUM FORMING OR MOLDING UNDER REDUCED PRESSURE BE849200A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1027176A JPS5294364A (en) 1976-02-04 1976-02-04 Method of vacuum casting mold

Publications (1)

Publication Number Publication Date
BE849200A true BE849200A (en) 1977-04-01

Family

ID=11745642

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2055521A BE849200A (en) 1976-02-04 1976-12-09 IMPROVEMENTS MADE AND / OR RELATING TO VACUUM FORMING OR MOLDING UNDER REDUCED PRESSURE

Country Status (11)

Country Link
JP (1) JPS5294364A (en)
AT (1) AT352306B (en)
BE (1) BE849200A (en)
CH (1) CH600965A5 (en)
DE (1) DE2655213B2 (en)
DK (1) DK46277A (en)
FI (1) FI60818C (en)
FR (1) FR2340187A1 (en)
GB (1) GB1538205A (en)
NL (1) NL178570C (en)
SE (1) SE7613288L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2918571B1 (en) * 1979-05-09 1980-11-13 Roland Man Druckmasch Process for reducing the heating time for thermoformed films
DE3219426C2 (en) * 1982-05-03 1984-03-22 Liebherr-Hausgeräte GmbH, 7955 Ochsenhausen Method for deep-drawing an inner container having chambers with widely differing volumes for a refrigerator and freezer or the like
EP0268720B1 (en) * 1986-11-24 1991-01-23 Polytex Plastic Sa Plastic scaffolding board, method for making it and device for carrying out the method
DE3810979A1 (en) * 1988-03-31 1989-10-19 Horst Severyns Process and apparatus for producing pipe adaptors

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838962A (en) * 1973-05-17 1974-10-01 Philco Ford Corp Molding apparatus
JPS5240340B2 (en) * 1973-09-28 1977-10-12

Also Published As

Publication number Publication date
ATA69577A (en) 1979-02-15
NL7613294A (en) 1977-08-08
FI60818B (en) 1981-12-31
DE2655213B2 (en) 1978-06-15
FR2340187A1 (en) 1977-09-02
FI770064A (en) 1977-08-05
FI60818C (en) 1982-04-13
GB1538205A (en) 1979-01-10
DE2655213A1 (en) 1977-08-11
DK46277A (en) 1977-08-05
CH600965A5 (en) 1978-06-30
NL178570C (en) 1986-04-16
FR2340187B1 (en) 1978-10-20
SE7613288L (en) 1977-08-05
JPS5294364A (en) 1977-08-08
AT352306B (en) 1979-09-10

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: MITSUBISHI JUKOGYO K.K.

Effective date: 19871231