FR2152952B1 - - Google Patents

Info

Publication number
FR2152952B1
FR2152952B1 FR7232563A FR7232563A FR2152952B1 FR 2152952 B1 FR2152952 B1 FR 2152952B1 FR 7232563 A FR7232563 A FR 7232563A FR 7232563 A FR7232563 A FR 7232563A FR 2152952 B1 FR2152952 B1 FR 2152952B1
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
FR7232563A
Other languages
French (fr)
Other versions
FR2152952A1 (en
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 FR2152952A1 publication Critical patent/FR2152952A1/fr
Application granted granted Critical
Publication of FR2152952B1 publication Critical patent/FR2152952B1/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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/383—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using spreading devices mounted in the mould, in front of the feed opening
    • 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
    • B29C33/0061—Moulds or cores; Details thereof or accessories therefor characterised by the configuration of the material feeding channel
    • 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
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/28—Closure devices therefor
    • B29C45/2806—Closure devices therefor consisting of needle valve systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
FR7232563A 1971-09-15 1972-09-14 Expired FR2152952B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712146181 DE2146181A1 (en) 1971-09-15 1971-09-15 SPOOL DEVICE FOR THE SHAPING PROCESSING OF PLASTICS FORMING FROM MULTIPLE LIQUID COMPONENTS

Publications (2)

Publication Number Publication Date
FR2152952A1 FR2152952A1 (en) 1973-04-27
FR2152952B1 true FR2152952B1 (en) 1976-08-13

Family

ID=5819664

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7232563A Expired FR2152952B1 (en) 1971-09-15 1972-09-14

Country Status (5)

Country Link
JP (1) JPS4861560A (en)
DE (1) DE2146181A1 (en)
FR (1) FR2152952B1 (en)
GB (1) GB1407829A (en)
NL (1) NL154146B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2081172B (en) * 1980-08-04 1984-03-14 Rogers Corp Mold structure for forming a molded part from foam material
DE3611249A1 (en) * 1986-04-04 1987-10-15 Braun Pebra Gmbh METHOD AND DEVICE FOR THE PRODUCTION OF PLASTIC MOLDED PARTS
DE29716742U1 (en) * 1997-09-18 1997-11-13 Battenfeld Gmbh Tool for injection molding plastic objects consisting of at least two different materials
US6245279B1 (en) 1999-05-18 2001-06-12 Husky Injection Molding Systems Ltd. Sliding edge gate for a hot runner mold

Also Published As

Publication number Publication date
JPS4861560A (en) 1973-08-29
GB1407829A (en) 1975-09-24
NL7212011A (en) 1973-03-19
FR2152952A1 (en) 1973-04-27
DE2146181A1 (en) 1973-03-22
NL154146B (en) 1977-08-15

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse