FR2162014B1 - - Google Patents

Info

Publication number
FR2162014B1
FR2162014B1 FR7242225A FR7242225A FR2162014B1 FR 2162014 B1 FR2162014 B1 FR 2162014B1 FR 7242225 A FR7242225 A FR 7242225A FR 7242225 A FR7242225 A FR 7242225A FR 2162014 B1 FR2162014 B1 FR 2162014B1
Authority
FR
France
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
FR7242225A
Other versions
FR2162014A1 (fr
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.)
Mannesmann Demag AG
Original Assignee
Demag AG
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 Demag AG filed Critical Demag AG
Publication of FR2162014A1 publication Critical patent/FR2162014A1/fr
Application granted granted Critical
Publication of FR2162014B1 publication Critical patent/FR2162014B1/fr
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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0461—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
FR7242225A 1971-11-29 1972-11-28 Expired FR2162014B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712159089 DE2159089A1 (de) 1971-11-29 1971-11-29 Verfahren zur herstellung von formteilen aus mehreren kunststoffen auf spritzgiessmaschinen

Publications (2)

Publication Number Publication Date
FR2162014A1 FR2162014A1 (fr) 1973-07-13
FR2162014B1 true FR2162014B1 (fr) 1975-05-30

Family

ID=5826453

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7242225A Expired FR2162014B1 (fr) 1971-11-29 1972-11-28

Country Status (9)

Country Link
JP (1) JPS4864143A (fr)
AT (1) AT325843B (fr)
BR (1) BR7208215D0 (fr)
CH (1) CH538929A (fr)
DE (1) DE2159089A1 (fr)
FR (1) FR2162014B1 (fr)
GB (1) GB1418034A (fr)
IT (1) IT972265B (fr)
NL (1) NL7216169A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3735099A1 (de) * 1987-10-16 1989-04-27 Battenfeld Gmbh Verfahren und vorrichtung zur herstellung von mehrschicht-formteilen

Also Published As

Publication number Publication date
DE2159089A1 (de) 1973-05-30
CH538929A (de) 1973-07-15
NL7216169A (fr) 1973-06-01
GB1418034A (en) 1975-12-17
FR2162014A1 (fr) 1973-07-13
BR7208215D0 (pt) 1973-08-30
AT325843B (de) 1975-11-10
JPS4864143A (fr) 1973-09-05
IT972265B (it) 1974-05-20
ATA965472A (de) 1975-01-15

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Legal Events

Date Code Title Description
ST Notification of lapse