DE2204157C3 - - Google Patents

Info

Publication number
DE2204157C3
DE2204157C3 DE2204157A DE2204157A DE2204157C3 DE 2204157 C3 DE2204157 C3 DE 2204157C3 DE 2204157 A DE2204157 A DE 2204157A DE 2204157 A DE2204157 A DE 2204157A DE 2204157 C3 DE2204157 C3 DE 2204157C3
Authority
DE
Germany
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
DE2204157A
Other versions
DE2204157A1 (de
DE2204157B2 (de
Inventor
William Thomas Beverly Mass Us Kyritsis
Robert Charles Topsfield Mass Us Simmonds Jun.
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.)
USM Corp
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 DE2204157A1 publication Critical patent/DE2204157A1/de
Publication of DE2204157B2 publication Critical patent/DE2204157B2/de
Application granted granted Critical
Publication of DE2204157C3 publication Critical patent/DE2204157C3/de
Granted 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
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
    • B29C45/50—Axially movable 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
DE2204157A 1971-01-29 1972-01-28 Verfahren zum Spritzgießen von Gegenständen aus Schaumstoffmaterial Granted DE2204157B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP322371A JPS5428426B1 (de) 1971-01-29 1971-01-29

Publications (3)

Publication Number Publication Date
DE2204157A1 DE2204157A1 (de) 1972-08-10
DE2204157B2 DE2204157B2 (de) 1981-02-26
DE2204157C3 true DE2204157C3 (de) 1989-02-23

Family

ID=11551429

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2204157A Granted DE2204157B2 (de) 1971-01-29 1972-01-28 Verfahren zum Spritzgießen von Gegenständen aus Schaumstoffmaterial

Country Status (20)

Country Link
JP (1) JPS5428426B1 (de)
AT (1) AT342290B (de)
BE (1) BE778748A (de)
CA (1) CA977114A (de)
CH (1) CH533001A (de)
CS (1) CS166042B2 (de)
DE (1) DE2204157B2 (de)
DK (1) DK142608B (de)
ES (1) ES399703A1 (de)
FI (1) FI56641C (de)
FR (1) FR2123540B1 (de)
GB (1) GB1382274A (de)
HU (1) HU167065B (de)
IL (1) IL38667A (de)
IS (1) IS2054A7 (de)
IT (1) IT947068B (de)
NL (1) NL172131C (de)
NO (1) NO138281C (de)
PL (1) PL84475B1 (de)
SE (1) SE8103741L (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3805215A1 (de) * 1988-02-19 1989-08-31 Triumph Adler Ag Verfahren zur herstellung einer kunststoffschreibwalze fuer schreib- oder aehnliche bueromaschinen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3384691A (en) * 1965-09-10 1968-05-21 Allied Chem Method for molding a structure having a foamed plastic core substantially enclosed within an essentially unfoamed plastic layer
CH471671A (de) * 1967-06-09 1969-04-30 United Shoe Machinery Corp Verfahren und Vorrichtung zum Spritzgiessen von Gegenständen aus Schaumstoff
DE1950406C3 (de) * 1968-10-15 1981-12-03 USM Corp., 06032 Farmington, Conn. Verfahren zum Spritzgießen von Gegenständen aus einer Mischung aus einem schäumbaren Kunststoff und einem temperaturempfindlichen Blähmittel

Also Published As

Publication number Publication date
DK142608C (de) 1981-08-03
IT947068B (it) 1973-05-21
CA977114A (en) 1975-11-04
CS166042B2 (de) 1976-01-29
NL172131B (nl) 1983-02-16
IL38667A (en) 1975-05-22
FR2123540A1 (de) 1972-09-08
GB1382274A (en) 1975-01-29
FI56641C (fi) 1980-03-10
HU167065B (de) 1975-07-28
FI56641B (fi) 1979-11-30
DE2204157A1 (de) 1972-08-10
NL172131C (nl) 1983-07-18
AT342290B (de) 1978-03-28
IS2054A7 (is) 1972-02-16
PL84475B1 (de) 1976-04-30
SE8103741L (sv) 1981-06-15
BE778748A (fr) 1972-05-16
NO138281C (no) 1978-08-09
DK142608B (da) 1980-12-01
JPS5428426B1 (de) 1979-09-17
FR2123540B1 (de) 1975-10-24
ATA68972A (de) 1977-07-15
NL7201213A (de) 1972-08-01
ES399703A1 (es) 1974-12-01
NO138281B (no) 1978-05-02
CH533001A (de) 1973-01-31
DE2204157B2 (de) 1981-02-26
IL38667A0 (en) 1972-03-28

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Legal Events

Date Code Title Description
OD Request for examination
OGA New person/name/address of the applicant
8263 Opposition against grant of a patent
8239 Disposal/non-payment of the annual fee
C3 Grant after two publication steps (3rd publication)