CH486979A - Method and device for injection molding objects made of foam plastic - Google Patents

Method and device for injection molding objects made of foam plastic

Info

Publication number
CH486979A
CH486979A CH273569A CH273569A CH486979A CH 486979 A CH486979 A CH 486979A CH 273569 A CH273569 A CH 273569A CH 273569 A CH273569 A CH 273569A CH 486979 A CH486979 A CH 486979A
Authority
CH
Switzerland
Prior art keywords
injection molding
foam plastic
objects made
molding objects
foam
Prior art date
Application number
CH273569A
Other languages
German (de)
Inventor
Thomas Kyritsis William
Charles Jr Simmonds Robert
Original Assignee
Usm Corp
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 Usm Corp filed Critical Usm Corp
Publication of CH486979A publication Critical patent/CH486979A/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
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • 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
    • B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • B29C44/422—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum by injecting by forward movement of the plastizising screw
CH273569A 1968-03-20 1969-02-24 Method and device for injection molding objects made of foam plastic CH486979A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71461268A 1968-03-20 1968-03-20

Publications (1)

Publication Number Publication Date
CH486979A true CH486979A (en) 1970-03-15

Family

ID=24870761

Family Applications (1)

Application Number Title Priority Date Filing Date
CH273569A CH486979A (en) 1968-03-20 1969-02-24 Method and device for injection molding objects made of foam plastic

Country Status (5)

Country Link
CH (1) CH486979A (en)
DE (1) DE1909211A1 (en)
FR (1) FR2004276A1 (en)
GB (1) GB1268437A (en)
SE (1) SE357913B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110328798A (en) * 2019-07-24 2019-10-15 嘉兴市佳杰包装材料有限公司 A kind of highly foaming polyethylene sheet production foaming agent injection device

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1964748B2 (en) * 1969-12-24 1973-12-13 Chemische Werke Huels Ag, 4370 Marl Process for the production of thermoplastic foam plastic molding by the injection molding process
DE2647249C3 (en) * 1976-10-20 1984-11-15 Ex-Cell-O Corp., Troy, Mich. Method and device for injection molding plastic objects with a dense outer skin and a foamed core
DE3020122C2 (en) * 1980-05-27 1984-04-26 Battenfeld Maschinenfabriken Gmbh, 5882 Meinerzhagen Circuit arrangement for metering gaseous or liquid substances, in particular physical blowing agents, into a flowable melt made of thermoplastic material
DE19848151C2 (en) 1998-10-20 2002-09-19 Battenfeld Gmbh Method and device for injection molding of plastic molded parts made of thermoplastic
CN113287841B (en) * 2021-06-06 2024-01-09 际华三五一四制革制鞋有限公司 Spiral jet polyurethane upper-connected shoemaking device and preparation process thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110328798A (en) * 2019-07-24 2019-10-15 嘉兴市佳杰包装材料有限公司 A kind of highly foaming polyethylene sheet production foaming agent injection device

Also Published As

Publication number Publication date
GB1268437A (en) 1972-03-29
DE1909211A1 (en) 1969-10-02
FR2004276A1 (en) 1969-11-21
SE357913B (en) 1973-07-16

Similar Documents

Publication Publication Date Title
CH512987A (en) Method and device for the injection molding of plastic into foamed objects
AT311657B (en) Process for injecting plastic materials made of plastic and the like. in forms
CH523765A (en) Method and device for stretching thermoplastic plastic films
CH464503A (en) Method and device for manufacturing a plastic container
CH521844A (en) Method and device for controlling injection molding machines
AT352997B (en) METHOD AND DEVICE FOR CONNECTING CONTINUOUSLY MADE OF THERMOPLASTIC FOAM
CH442085A (en) Method for decorating or inscribing plastic articles and device for carrying out the method
CH484711A (en) Method and device for temperature control in printing and injection molding machines
CH471670A (en) Method and device for producing an article with bristles
CH474597A (en) Method and device for producing molded articles from protein fibers
CH453666A (en) Process and device for the preparation of plastic mixtures
DE1809317B2 (en) METHOD AND INJECTION MOLDING DEVICE FOR MANUFACTURING PLASTIC BODIES WITH UNDERCUTS
CH472960A (en) Process and device for the production of decorated, injection molded plastic objects
AT324690B (en) METHOD AND DEVICE FOR BENDING HOLLOW PROFILES MADE OF THERMOPLASTIC PLASTICS
CH528359A (en) Method and device for injection molding plastic parts
CH480400A (en) Process for activating plastic surfaces
CH474346A (en) Method and apparatus for molding an article from plastic material
CH509140A (en) Method and device for reducing the volume of a plastic container
AT314126B (en) Method and device for producing hollow bodies from thermoplastic material
CH486979A (en) Method and device for injection molding objects made of foam plastic
CH521835A (en) Method and device for the production of moldings in a molding machine
CH487729A (en) Process for the injection molding of objects made of foam plastic
AT316133B (en) Method and device for producing ribbons from fiber-reinforced synthetic resin
CH385478A (en) Method and device for processing plasticizable plastic
AT280897B (en) Method and device for the production of packaging from thermoplastic plastic films

Legal Events

Date Code Title Description
PL Patent ceased