CA1034326A - Plastic molding process - Google Patents

Plastic molding process

Info

Publication number
CA1034326A
CA1034326A CA208,174A CA208174A CA1034326A CA 1034326 A CA1034326 A CA 1034326A CA 208174 A CA208174 A CA 208174A CA 1034326 A CA1034326 A CA 1034326A
Authority
CA
Canada
Prior art keywords
molding process
plastic molding
plastic
molding
Prior art date
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.)
Expired
Application number
CA208,174A
Other languages
English (en)
French (fr)
Other versions
CA208174S (en
Inventor
Ulrich Knipp
Heinrich Boden
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of CA1034326A publication Critical patent/CA1034326A/en
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
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/383—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using spreading devices mounted in the mould, in front of the feed opening
    • 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
    • B29C33/0061—Moulds or cores; Details thereof or accessories therefor characterised by the configuration of the material feeding channel
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/14—Plastic and nonmetallic article shaping or treating: processes forming integral skin on a foamed product
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/83—Injection molding of polyolefin-type foam
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/902—Cellular polymer containing an isocyanurate structure
CA208,174A 1973-09-27 1974-08-30 Plastic molding process Expired CA1034326A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2348658A DE2348658C3 (de) 1973-09-27 1973-09-27 Verfahren zum Füllen von Formwerkzeugen mit Reaktionsgemischen

Publications (1)

Publication Number Publication Date
CA1034326A true CA1034326A (en) 1978-07-11

Family

ID=5893848

Family Applications (1)

Application Number Title Priority Date Filing Date
CA208,174A Expired CA1034326A (en) 1973-09-27 1974-08-30 Plastic molding process

Country Status (19)

Country Link
US (1) US3991147A (nl)
JP (1) JPS5061462A (nl)
AT (1) AT341763B (nl)
AU (1) AU477049B2 (nl)
BE (1) BE820333A (nl)
BR (1) BR7407938D0 (nl)
CA (1) CA1034326A (nl)
CH (1) CH576333A5 (nl)
DD (1) DD114543A5 (nl)
DE (1) DE2348658C3 (nl)
DK (1) DK141688C (nl)
ES (1) ES430449A1 (nl)
FR (1) FR2246375B1 (nl)
GB (1) GB1472612A (nl)
IT (1) IT1022314B (nl)
LU (1) LU70992A1 (nl)
NL (1) NL7412818A (nl)
NO (1) NO143091C (nl)
SE (1) SE405946B (nl)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4218543A (en) * 1976-05-21 1980-08-19 Bayer Aktiengesellschaft Rim process for the production of elastic moldings
DE2737616A1 (de) * 1977-08-20 1979-03-01 Bayer Ag Verfahren und vorrichtung zum herstellen eines schaumstoff- oder homogenstoff-bildenden reaktionsgemisches und zu dessen anschliessendem eintrag in einen hohlraum
DE2829016C2 (de) * 1978-07-01 1982-12-02 Maschinenfabrik Hennecke Gmbh, 5090 Leverkusen Verfahren und Vorrichtungen zum Füllen von Hohlräumen, insbesondere solcher von Formwerkzeugen, mit einem reaktionsfähigen, vorzugsweise Schaumstoff bildenden fließfähigen Gemisch
EP0014518A1 (en) * 1979-02-05 1980-08-20 Imperial Chemical Industries Plc Process and apparatus for moulding foamed articles and the articles so moulded
US4254069A (en) * 1979-04-30 1981-03-03 Texaco Development Corp. Heat stable reaction injection molded elastomers
US4333899A (en) * 1979-12-03 1982-06-08 The Goodyear Tire & Rubber Company Method and apparatus for molding a tire
US4303728A (en) * 1980-01-04 1981-12-01 Ford Motor Company Method for producing foamed composite panels and resultant product
DE3164149D1 (en) * 1980-07-21 1984-07-19 Mobay Chemical Corp Process for the production of elastomeric moulded products
US4412962A (en) * 1980-08-04 1983-11-01 Rogers Corporation Method of molding a mechanically frothed urethane resin foam and an open-top injection mold therefore
DE3478192D1 (en) * 1983-06-06 1989-06-22 Kanegafuchi Chemical Ind Artificial vessel and process for preparing the same
DE3477464D1 (en) * 1983-06-06 1989-05-03 Kanegafuchi Chemical Ind Artificial vessel and process for preparing the same
EP0157178B1 (en) * 1984-03-01 1988-11-30 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Artificial vessel and process for preparing the same
JPS63209647A (ja) * 1987-02-26 1988-08-31 鐘淵化学工業株式会社 人工血管
US5151483A (en) * 1991-03-13 1992-09-29 Miles Inc. Process for the production of reinforced polyurethane moldings by the reaction injection molding process
US5433910A (en) * 1991-05-14 1995-07-18 Toyoda Gosei Co., Ltd. Method of producing molding
US5531581A (en) * 1995-03-27 1996-07-02 Donnell, Jr.; Emerson B. Ajustable injection molding apparatus
US5599568A (en) * 1995-08-10 1997-02-04 Donnell, Jr.; Emerson B. Adjustable injection molding apparatus for creating of products within a mold from fluid plastic material
US5753155A (en) * 1996-05-08 1998-05-19 Bayer Corporation Gating for production of rigid polyurethane foam
JP2004098458A (ja) * 2002-09-09 2004-04-02 Canon Inc 射出成形品
US6893599B2 (en) * 2002-09-09 2005-05-17 Patent Holding Company Method for making a reinforced, polymeric article in a reaction injection molding system and mold for use therein

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3660548A (en) * 1963-11-06 1972-05-02 Toyo Tire & Rubber Co Method for continuously producing foamed panels having uniform properties
US3745203A (en) * 1971-08-19 1973-07-10 Cincinnati Milling Machine Co Process for molding polyurethane utilizing a mixture of two blowing agents
US3846524A (en) * 1972-01-17 1974-11-05 Dura Plex Ind Structural panel and method of making same

Also Published As

Publication number Publication date
SE405946B (sv) 1979-01-15
NO143091B (no) 1980-09-08
ES430449A1 (es) 1976-10-01
DE2348658A1 (de) 1975-04-03
JPS5061462A (nl) 1975-05-27
IT1022314B (it) 1978-03-20
DD114543A5 (nl) 1975-08-12
DK141688C (da) 1980-10-27
BR7407938D0 (pt) 1975-07-29
ATA772374A (de) 1977-06-15
AU7373774A (en) 1976-04-01
CH576333A5 (nl) 1976-06-15
FR2246375B1 (nl) 1978-06-09
NL7412818A (nl) 1975-04-02
DE2348658C3 (de) 1980-10-09
US3991147A (en) 1976-11-09
SE7412131L (nl) 1975-04-01
AT341763B (de) 1978-02-27
GB1472612A (en) 1977-05-04
AU477049B2 (en) 1976-10-14
FR2246375A1 (nl) 1975-05-02
DK507074A (nl) 1975-05-12
NO143091C (no) 1980-12-29
NO743301L (nl) 1975-04-28
DK141688B (da) 1980-05-27
DE2348658B2 (de) 1980-02-21
BE820333A (fr) 1975-03-25
USB506144I5 (nl) 1976-02-10
LU70992A1 (nl) 1975-06-16

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