FR2246372A1 - - Google Patents

Info

Publication number
FR2246372A1
FR2246372A1 FR7431793A FR7431793A FR2246372A1 FR 2246372 A1 FR2246372 A1 FR 2246372A1 FR 7431793 A FR7431793 A FR 7431793A FR 7431793 A FR7431793 A FR 7431793A FR 2246372 A1 FR2246372 A1 FR 2246372A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7431793A
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.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel AG
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 Dynamit Nobel AG filed Critical Dynamit Nobel AG
Publication of FR2246372A1 publication Critical patent/FR2246372A1/fr
Withdrawn legal-status Critical Current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
    • B29C44/34—Auxiliary operations
    • B29C44/3403—Foaming under special conditions, e.g. in sub-atmospheric pressure, in or on a liquid
    • 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
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • 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
    • B29K2105/253—Preform
    • B29K2105/256—Sheets, plates, blanks or films
FR7431793A 1973-10-08 1974-09-20 Withdrawn FR2246372A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732350355 DE2350355A1 (de) 1973-10-08 1973-10-08 Verfahren und vorrichtung zum herstellen von formteilen aus thermoplastischen, geschlossenzelligen schaumstoffen nach dem vakuumformverfahren

Publications (1)

Publication Number Publication Date
FR2246372A1 true FR2246372A1 (fr) 1975-05-02

Family

ID=5894767

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7431793A Withdrawn FR2246372A1 (fr) 1973-10-08 1974-09-20

Country Status (8)

Country Link
JP (1) JPS5065573A (fr)
BE (1) BE820565A (fr)
DE (1) DE2350355A1 (fr)
FR (1) FR2246372A1 (fr)
GB (1) GB1478376A (fr)
IT (1) IT1021701B (fr)
NL (1) NL7413228A (fr)
SE (1) SE7412599L (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS629069Y2 (fr) * 1980-09-05 1987-03-03
DE3922545A1 (de) * 1989-07-08 1991-01-17 Hoechst Ag Verfahren zur herstellung von kunststoff-hohlkoerpern mit geschaeumten waenden
DE4206617A1 (de) * 1992-03-03 1993-09-09 Happich Gmbh Gebr Verfahren zum herstellen einer zumindest bereichsweise strukturierten oberflaeche an einem aus expandierten polypropylen-partikeln gefertigten schaumstoff-formkoerper
EP3740364B1 (fr) * 2018-01-15 2023-03-22 Amazon Technologies Inc. Composants coulés à peau intégrée dotés de cavités
US11858179B2 (en) 2018-01-15 2024-01-02 Amazon Technologies, Inc. Thermally expanding mandrel for cast components
US11731325B2 (en) 2018-01-15 2023-08-22 Amazon Technologies, Inc. Self-skinning cast components having negative space spars
US11052583B2 (en) 2018-01-15 2021-07-06 Amazon Technologies, Inc. Cast components having surfaces with resin coatings

Also Published As

Publication number Publication date
IT1021701B (it) 1978-02-20
NL7413228A (nl) 1975-04-10
JPS5065573A (fr) 1975-06-03
BE820565A (fr) 1975-01-16
GB1478376A (en) 1977-06-29
SE7412599L (sv) 1975-04-09
DE2350355A1 (de) 1975-04-17

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Legal Events

Date Code Title Description
ST Notification of lapse