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FR1249159A - Backflow stop device for thermoplastic injection worm machines - Google Patents

Backflow stop device for thermoplastic injection worm machines

Info

Publication number
FR1249159A
FR1249159A FR819544A FR819544A FR1249159A FR 1249159 A FR1249159 A FR 1249159A FR 819544 A FR819544 A FR 819544A FR 819544 A FR819544 A FR 819544A FR 1249159 A FR1249159 A FR 1249159A
Authority
FR
France
Prior art keywords
stop device
thermoplastic injection
backflow stop
injection worm
worm machines
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
FR819544A
Other languages
French (fr)
Inventor
Max Grundig
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 filed Critical
Application granted granted Critical
Publication of FR1249159A publication Critical patent/FR1249159A/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
    • 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
    • B29C45/52—Non-return devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
FR819544A 1959-03-18 1960-02-25 Backflow stop device for thermoplastic injection worm machines Expired FR1249159A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG26645A DE1142230B (en) 1959-03-18 1959-03-18 Backflow stop on the screw head of a screw injection molding machine that processes thermoplastics

Publications (1)

Publication Number Publication Date
FR1249159A true FR1249159A (en) 1960-12-23

Family

ID=7122993

Family Applications (1)

Application Number Title Priority Date Filing Date
FR819544A Expired FR1249159A (en) 1959-03-18 1960-02-25 Backflow stop device for thermoplastic injection worm machines

Country Status (2)

Country Link
DE (1) DE1142230B (en)
FR (1) FR1249159A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218377A (en) * 1961-05-26 1965-11-16 Eternit Sa Method and means for molding an aqueous fibrous mixture
US3851801A (en) * 1971-02-15 1974-12-03 Involvo Ag Verpackungsmaschine Dispensing device having lost motion piston pump
US4377180A (en) * 1980-11-10 1983-03-22 Component Manufacturing & Design, Inc. Non-return valve for plastic injection molding

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4537737A (en) * 1982-10-01 1985-08-27 Anthony Crowe Method and equipment for processing a plasticizable material
DE10059615B4 (en) * 2000-12-01 2004-11-18 Battenfeld Gmbh Return valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218377A (en) * 1961-05-26 1965-11-16 Eternit Sa Method and means for molding an aqueous fibrous mixture
US3851801A (en) * 1971-02-15 1974-12-03 Involvo Ag Verpackungsmaschine Dispensing device having lost motion piston pump
US4377180A (en) * 1980-11-10 1983-03-22 Component Manufacturing & Design, Inc. Non-return valve for plastic injection molding

Also Published As

Publication number Publication date
DE1142230B (en) 1963-01-10

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