FR2121520A1 - - Google Patents

Info

Publication number
FR2121520A1
FR2121520A1 FR7146549A FR7146549A FR2121520A1 FR 2121520 A1 FR2121520 A1 FR 2121520A1 FR 7146549 A FR7146549 A FR 7146549A FR 7146549 A FR7146549 A FR 7146549A FR 2121520 A1 FR2121520 A1 FR 2121520A1
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.)
Granted
Application number
FR7146549A
Other languages
French (fr)
Other versions
FR2121520B1 (es
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.)
Continental AG
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/de
Application filed by Continental Gummi Werke AG filed Critical Continental Gummi Werke AG
Publication of FR2121520A1 publication Critical patent/FR2121520A1/fr
Application granted granted Critical
Publication of FR2121520B1 publication Critical patent/FR2121520B1/fr
Expired 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
    • 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
FR7146549A 1971-01-12 1971-12-24 Expired FR2121520B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712101238 DE2101238C3 (de) 1971-01-12 Verfahren und Vorrichtung zur Herstellung von Schaumstoffblöcken mit ebener Oberfläche in offenen Formen

Publications (2)

Publication Number Publication Date
FR2121520A1 true FR2121520A1 (es) 1972-08-25
FR2121520B1 FR2121520B1 (es) 1974-07-05

Family

ID=5795673

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7146549A Expired FR2121520B1 (es) 1971-01-12 1971-12-24

Country Status (8)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2312357A1 (fr) * 1975-05-29 1976-12-24 Eszakmagyar Vegyimuevek Procede pour faconner la surface de polymeres
EP0374558A2 (de) * 1988-12-17 1990-06-27 Bayer Ag Verfahren und Vorrichtung zum gleichmässigen Verteilen eines fliessfähigen Reaktionsgemisches auf einer kontinuierlich transportierten Unterlage über die gewünschte Breite bei der Herstellung von Schaumstoffbahnen
EP0482682A1 (en) * 1990-09-14 1992-04-29 Recticel Method for the manufacture of flexible polyurethane foam

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110789049B (zh) * 2019-12-10 2024-10-11 杭州塑团机械有限公司 一种泡塑机移模系统

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2312357A1 (fr) * 1975-05-29 1976-12-24 Eszakmagyar Vegyimuevek Procede pour faconner la surface de polymeres
EP0374558A2 (de) * 1988-12-17 1990-06-27 Bayer Ag Verfahren und Vorrichtung zum gleichmässigen Verteilen eines fliessfähigen Reaktionsgemisches auf einer kontinuierlich transportierten Unterlage über die gewünschte Breite bei der Herstellung von Schaumstoffbahnen
EP0374558A3 (de) * 1988-12-17 1991-12-04 Bayer Ag Verfahren und Vorrichtung zum gleichmässigen Verteilen eines fliessfähigen Reaktionsgemisches auf einer kontinuierlich transportierten Unterlage über die gewünschte Breite bei der Herstellung von Schaumstoffbahnen
EP0482682A1 (en) * 1990-09-14 1992-04-29 Recticel Method for the manufacture of flexible polyurethane foam
BE1004588A3 (nl) * 1990-09-14 1992-12-15 Recticel Werkwijze voor het vervaardigen van soepel polyurethaanschuim.
US5194453A (en) * 1990-09-14 1993-03-16 Recticel Method for the manufacture of flexible polyurethane foam

Also Published As

Publication number Publication date
DK134889B (da) 1977-02-07
DK134889C (da) 1977-06-27
BE777216A (fr) 1972-01-14
NL7118216A (es) 1972-07-14
ATA19872A (de) 1976-06-15
ES398763A1 (es) 1975-05-01
AT335168B (de) 1977-02-25
IT946463B (it) 1973-05-21
DE2101238B2 (de) 1975-11-13
GB1380645A (en) 1975-01-15
FR2121520B1 (es) 1974-07-05
DE2101238A1 (de) 1972-07-27

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