CH487729A - Process for the injection molding of objects made of foam plastic - Google Patents

Process for the injection molding of objects made of foam plastic

Info

Publication number
CH487729A
CH487729A CH1509369A CH1509369A CH487729A CH 487729 A CH487729 A CH 487729A CH 1509369 A CH1509369 A CH 1509369A CH 1509369 A CH1509369 A CH 1509369A CH 487729 A CH487729 A CH 487729A
Authority
CH
Switzerland
Prior art keywords
injection molding
foam plastic
objects made
objects
foam
Prior art date
Application number
CH1509369A
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 CH487729A publication Critical patent/CH487729A/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
    • B29C44/36—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
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1781—Aligning injection nozzles with the mould sprue bush
CH1509369A 1968-10-15 1969-10-08 Process for the injection molding of objects made of foam plastic CH487729A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76768268A 1968-10-15 1968-10-15

Publications (1)

Publication Number Publication Date
CH487729A true CH487729A (en) 1970-03-31

Family

ID=25080231

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1509369A CH487729A (en) 1968-10-15 1969-10-08 Process for the injection molding of objects made of foam plastic

Country Status (9)

Country Link
BE (1) BE740328A (en)
BR (1) BR6913317D0 (en)
CH (1) CH487729A (en)
DE (1) DE1950406C3 (en)
ES (1) ES372732A1 (en)
FR (1) FR2020737A1 (en)
GB (1) GB1292318A (en)
NL (1) NL163155C (en)
ZA (1) ZA697225B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5428426B1 (en) * 1971-01-29 1979-09-17
GB2012303B (en) 1977-12-14 1982-05-06 British Petroleum Co Process for preparing pitch foams and products so produced
FR2545033B1 (en) * 1983-04-28 1985-08-16 Cibie Projecteurs PROCESS AND DEVICE FOR THE PRODUCTION OF PLASTIC MATERIALS, ON AN INJECTION PRESS
JP2806225B2 (en) * 1993-09-10 1998-09-30 住友電装株式会社 Thermoplastic resin molded article and method for producing the same
DE4419245C2 (en) * 1994-06-01 1999-10-14 Kempten Elektroschmelz Gmbh Adapter for flexible attachment of a thermocouple protection tube
CN100537184C (en) 2002-02-28 2009-09-09 宇部兴产机械株式会社 Method for expansion injection molding

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1181897B (en) * 1957-03-22 1964-11-19 Dow Chemical Co Injection molding process for the production of foam structures from expandable cores of thermoplastic resinous material
GB971773A (en) * 1961-07-07 1964-10-07 Vinatex Ltd Improvements in or relating to soles for footwear and other flexible moulded products
DE1233578B (en) * 1961-11-07 1967-02-02 Bayer Ag Process and injection molding machine for the production of moldings from thermoplastics provided with blowing agents
DE1875744U (en) * 1962-10-18 1963-07-18 Friedrich Stuebbe EQUIPMENT ON INJECTION NOZZLES OF INJECTION MOLDING AND DIE CASTING MACHINES.

Also Published As

Publication number Publication date
DE1950406A1 (en) 1970-04-16
NL6915449A (en) 1970-04-17
BE740328A (en) 1970-03-16
NL163155B (en) 1980-03-17
DE1950406B2 (en) 1981-04-16
DE1950406C3 (en) 1981-12-03
BR6913317D0 (en) 1973-01-11
ZA697225B (en) 1971-03-31
GB1292318A (en) 1972-10-11
NL163155C (en) 1980-08-15
FR2020737A1 (en) 1970-07-17
ES372732A1 (en) 1971-11-01

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Legal Events

Date Code Title Description
PL Patent ceased