AT335168B - METHOD AND DEVICE FOR PRODUCING BLOCKS FROM FOAMABLE PLASTIC - Google Patents

METHOD AND DEVICE FOR PRODUCING BLOCKS FROM FOAMABLE PLASTIC

Info

Publication number
AT335168B
AT335168B AT19872A AT19872A AT335168B AT 335168 B AT335168 B AT 335168B AT 19872 A AT19872 A AT 19872A AT 19872 A AT19872 A AT 19872A AT 335168 B AT335168 B AT 335168B
Authority
AT
Austria
Prior art keywords
foamable plastic
producing blocks
blocks
producing
foamable
Prior art date
Application number
AT19872A
Other languages
German (de)
Other versions
ATA19872A (en
Original Assignee
Continental Gummi Werke 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
Priority claimed from DE19712101238 external-priority patent/DE2101238C3/en
Application filed by Continental Gummi Werke Ag filed Critical Continental Gummi Werke Ag
Publication of ATA19872A publication Critical patent/ATA19872A/en
Application granted granted Critical
Publication of AT335168B publication Critical patent/AT335168B/en

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
    • B29C44/005—Avoiding skin formation; Making foams with porous surfaces
    • 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
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/467—Foam spreading or levelling devices
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/006—Degassing moulding material or draining off gas during moulding
    • 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
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
AT19872A 1971-01-12 1972-01-11 METHOD AND DEVICE FOR PRODUCING BLOCKS FROM FOAMABLE PLASTIC AT335168B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712101238 DE2101238C3 (en) 1971-01-12 Method and device for the production of foam blocks with a flat surface in open molds

Publications (2)

Publication Number Publication Date
ATA19872A ATA19872A (en) 1976-06-15
AT335168B true AT335168B (en) 1977-02-25

Family

ID=5795673

Family Applications (1)

Application Number Title Priority Date Filing Date
AT19872A AT335168B (en) 1971-01-12 1972-01-11 METHOD AND DEVICE FOR PRODUCING BLOCKS FROM FOAMABLE PLASTIC

Country Status (8)

Country Link
AT (1) AT335168B (en)
BE (1) BE777216A (en)
DK (1) DK134889C (en)
ES (1) ES398763A1 (en)
FR (1) FR2121520B1 (en)
GB (1) GB1380645A (en)
IT (1) IT946463B (en)
NL (1) NL7118216A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU170123B (en) * 1975-05-29 1977-04-28
DE3842625C1 (en) * 1988-12-17 1990-05-31 Bayer Ag, 5090 Leverkusen, De
BE1004588A3 (en) * 1990-09-14 1992-12-15 Recticel Process for the production of flexible polyurethane foam.
CN110789049B (en) * 2019-12-10 2024-10-11 杭州塑团机械有限公司 Mould moving system of foam plastic machine

Also Published As

Publication number Publication date
IT946463B (en) 1973-05-21
FR2121520B1 (en) 1974-07-05
DE2101238B2 (en) 1975-11-13
ATA19872A (en) 1976-06-15
DE2101238A1 (en) 1972-07-27
NL7118216A (en) 1972-07-14
GB1380645A (en) 1975-01-15
ES398763A1 (en) 1975-05-01
DK134889B (en) 1977-02-07
DK134889C (en) 1977-06-27
FR2121520A1 (en) 1972-08-25
BE777216A (en) 1972-01-14

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
REN Ceased due to non-payment of the annual fee