IT1285100B1 - Procedimento per la produzione mediante stampaggio di articoli cavi di materiali plastico ed articoli cosi' ottenuti. - Google Patents

Procedimento per la produzione mediante stampaggio di articoli cavi di materiali plastico ed articoli cosi' ottenuti.

Info

Publication number
IT1285100B1
IT1285100B1 IT96TO000393D ITTO960393D IT1285100B1 IT 1285100 B1 IT1285100 B1 IT 1285100B1 IT 96TO000393 D IT96TO000393 D IT 96TO000393D IT TO960393 D ITTO960393 D IT TO960393D IT 1285100 B1 IT1285100 B1 IT 1285100B1
Authority
IT
Italy
Prior art keywords
articles
molding
procedure
production
plastic materials
Prior art date
Application number
IT96TO000393D
Other languages
English (en)
Inventor
Re Mario Da
Original Assignee
Fiat Auto 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 Fiat Auto Spa filed Critical Fiat Auto Spa
Publication of ITTO960393A1 publication Critical patent/ITTO960393A1/it
Application granted granted Critical
Publication of IT1285100B1 publication Critical patent/IT1285100B1/it

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
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C45/4457—Removing or ejecting moulded articles for undercut articles using fusible, soluble or destructible cores
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0011—Moulds or cores; Details thereof or accessories therefor thin-walled moulds
    • B29C33/0016—Lost moulds, e.g. staying on the moulded object
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B29C33/08—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means for dielectric 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/52—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles soluble or fusible
    • 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
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14836—Preventing damage of inserts during injection, e.g. collapse of hollow inserts, breakage
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/12—Dielectric heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2022/00—Hollow articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Communication Cables (AREA)
IT96TO000393D 1996-05-13 1996-05-13 Procedimento per la produzione mediante stampaggio di articoli cavi di materiali plastico ed articoli cosi' ottenuti. IT1285100B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO960393A ITTO960393A0 (it) 1996-05-13 1996-05-13 Procedimento per la produzione mediante stampaggio di articoli cavi dimateriali plastico ed articoli cosi' ottenuti.

Publications (2)

Publication Number Publication Date
ITTO960393A1 ITTO960393A1 (it) 1997-11-13
IT1285100B1 true IT1285100B1 (it) 1998-06-03

Family

ID=11414628

Family Applications (2)

Application Number Title Priority Date Filing Date
ITTO960393A ITTO960393A0 (it) 1996-05-13 1996-05-13 Procedimento per la produzione mediante stampaggio di articoli cavi dimateriali plastico ed articoli cosi' ottenuti.
IT96TO000393D IT1285100B1 (it) 1996-05-13 1996-05-13 Procedimento per la produzione mediante stampaggio di articoli cavi di materiali plastico ed articoli cosi' ottenuti.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ITTO960393A ITTO960393A0 (it) 1996-05-13 1996-05-13 Procedimento per la produzione mediante stampaggio di articoli cavi dimateriali plastico ed articoli cosi' ottenuti.

Country Status (1)

Country Link
IT (2) ITTO960393A0 (it)

Also Published As

Publication number Publication date
ITTO960393A0 (it) 1996-05-13
ITTO960393A1 (it) 1997-11-13

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Legal Events

Date Code Title Description
0001 Granted