FR1140316A - Device for the pre-plasticization and injection of thermoplastic materials - Google Patents

Device for the pre-plasticization and injection of thermoplastic materials

Info

Publication number
FR1140316A
FR1140316A FR1140316DA FR1140316A FR 1140316 A FR1140316 A FR 1140316A FR 1140316D A FR1140316D A FR 1140316DA FR 1140316 A FR1140316 A FR 1140316A
Authority
FR
France
Prior art keywords
plasticization
injection
thermoplastic materials
thermoplastic
materials
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
Other languages
French (fr)
Inventor
Giuseppe Triulzi
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 FR1140316A publication Critical patent/FR1140316A/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
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
    • 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
    • B29C45/53—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
    • B29C45/54—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw
    • B29C45/542—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw using an accumulator between plasticising and injection unit, e.g. for a continuously operating plasticising screw
FR1140316D 1955-01-27 1956-01-23 Device for the pre-plasticization and injection of thermoplastic materials Expired FR1140316A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1140316X 1955-01-27

Publications (1)

Publication Number Publication Date
FR1140316A true FR1140316A (en) 1957-07-19

Family

ID=11431786

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1140316D Expired FR1140316A (en) 1955-01-27 1956-01-23 Device for the pre-plasticization and injection of thermoplastic materials

Country Status (1)

Country Link
FR (1) FR1140316A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19715229A1 (en) * 1997-04-12 1998-10-15 Johannes Wortberg Melt production and delivery system for e.g. plastic pressure injection mouldings
DE19903114A1 (en) * 1999-01-27 2000-08-10 Kloeckner Windsor Maschinenser Creating follow-up pressure in a plastics injection molding machine through use of a melt storage unit with shut-off valve between the cylinder and nozzle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19715229A1 (en) * 1997-04-12 1998-10-15 Johannes Wortberg Melt production and delivery system for e.g. plastic pressure injection mouldings
DE19903114A1 (en) * 1999-01-27 2000-08-10 Kloeckner Windsor Maschinenser Creating follow-up pressure in a plastics injection molding machine through use of a melt storage unit with shut-off valve between the cylinder and nozzle
DE19903114C2 (en) * 1999-01-27 2003-01-30 Kloeckner Windsor Maschinenser Device for generating holding pressure in plastic injection molding machines

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