IT981483B - PERFECTED PROCESS FOR THE PRODUCTION OF INJECTION MOLDED PLASTIC ITEMS AND MOLD FOR ITS REALIZATION - Google Patents

PERFECTED PROCESS FOR THE PRODUCTION OF INJECTION MOLDED PLASTIC ITEMS AND MOLD FOR ITS REALIZATION

Info

Publication number
IT981483B
IT981483B IT2184273A IT2184273A IT981483B IT 981483 B IT981483 B IT 981483B IT 2184273 A IT2184273 A IT 2184273A IT 2184273 A IT2184273 A IT 2184273A IT 981483 B IT981483 B IT 981483B
Authority
IT
Italy
Prior art keywords
realization
mold
production
injection molded
molded plastic
Prior art date
Application number
IT2184273A
Other languages
Italian (it)
Inventor
L Coluccia
A Ferrario
I Ronzoni
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Priority to IT2184273A priority Critical patent/IT981483B/en
Priority to DE19742412223 priority patent/DE2412223A1/en
Priority to FR7408929A priority patent/FR2222202B1/fr
Priority to GB1231474A priority patent/GB1448511A/en
Application granted granted Critical
Publication of IT981483B publication Critical patent/IT981483B/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
    • 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
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • 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
    • B29C45/26—Moulds
    • B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
    • 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
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • B29C2045/7343—Heating or cooling of the mould heating or cooling different mould parts at different temperatures
    • 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
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
IT2184273A 1973-03-20 1973-03-20 PERFECTED PROCESS FOR THE PRODUCTION OF INJECTION MOLDED PLASTIC ITEMS AND MOLD FOR ITS REALIZATION IT981483B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT2184273A IT981483B (en) 1973-03-20 1973-03-20 PERFECTED PROCESS FOR THE PRODUCTION OF INJECTION MOLDED PLASTIC ITEMS AND MOLD FOR ITS REALIZATION
DE19742412223 DE2412223A1 (en) 1973-03-20 1974-03-14 IMPROVED PROCESS FOR THE MANUFACTURE OF INJECTION MOLDED ARTICLES FROM PLASTIC AND THE MOLD FOR CARRYING OUT THE PROCESS
FR7408929A FR2222202B1 (en) 1973-03-20 1974-03-15
GB1231474A GB1448511A (en) 1973-03-20 1974-03-20 Injection moulding of plastic articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2184273A IT981483B (en) 1973-03-20 1973-03-20 PERFECTED PROCESS FOR THE PRODUCTION OF INJECTION MOLDED PLASTIC ITEMS AND MOLD FOR ITS REALIZATION

Publications (1)

Publication Number Publication Date
IT981483B true IT981483B (en) 1974-10-10

Family

ID=11187616

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2184273A IT981483B (en) 1973-03-20 1973-03-20 PERFECTED PROCESS FOR THE PRODUCTION OF INJECTION MOLDED PLASTIC ITEMS AND MOLD FOR ITS REALIZATION

Country Status (4)

Country Link
DE (1) DE2412223A1 (en)
FR (1) FR2222202B1 (en)
GB (1) GB1448511A (en)
IT (1) IT981483B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006289A1 (en) * 1978-05-30 1980-01-09 Allied Corporation Mould for controlling sink-marks on moulded plastic articles and method of producing the articles
DE3632640A1 (en) * 1986-09-25 1988-06-01 Agfa Gevaert Ag METHOD FOR PRODUCING AN INJECTION MOLDING TOOL
NZ258529A (en) * 1992-11-20 1996-08-27 Unilever Plc Moulding a confectionery product between surfaces having different heat conductivities
WO1998041379A1 (en) * 1996-02-29 1998-09-24 Hoya Corporation Method of injection molding plastic lens
DE69724285T2 (en) * 1997-03-18 2004-07-01 Hoya Corp. METHOD FOR INJECTION MOLDING A PLASTIC LENS
US9539751B2 (en) 2012-06-21 2017-01-10 Husky Injection Molding Systems Ltd. Component of a molding system for cooling a molded article

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1116870A (en) * 1955-04-27 1956-05-14 Low pressure injection molding process, in particular for the manufacture of laminated parts
FR1579975A (en) * 1967-09-18 1969-08-29
US3734449A (en) * 1970-10-14 1973-05-22 Tokyo Shibaura Electric Co Metal mold for injection molding

Also Published As

Publication number Publication date
FR2222202A1 (en) 1974-10-18
FR2222202B1 (en) 1976-06-25
DE2412223A1 (en) 1974-09-26
GB1448511A (en) 1976-09-08

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