FR2689808B1 - Procede pour fabriquer des corps creux par surmoulage autour d'un noyau eliminable. - Google Patents

Procede pour fabriquer des corps creux par surmoulage autour d'un noyau eliminable.

Info

Publication number
FR2689808B1
FR2689808B1 FR9204881A FR9204881A FR2689808B1 FR 2689808 B1 FR2689808 B1 FR 2689808B1 FR 9204881 A FR9204881 A FR 9204881A FR 9204881 A FR9204881 A FR 9204881A FR 2689808 B1 FR2689808 B1 FR 2689808B1
Authority
FR
France
Prior art keywords
eliminable
core
over
hollow bodies
manufacturing hollow
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 - Fee Related
Application number
FR9204881A
Other languages
English (en)
Other versions
FR2689808A1 (fr
Inventor
Landry Philippe
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.)
MAUBOURG SA
Original Assignee
MAUBOURG SA
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 MAUBOURG SA filed Critical MAUBOURG SA
Priority to FR9204881A priority Critical patent/FR2689808B1/fr
Publication of FR2689808A1 publication Critical patent/FR2689808A1/fr
Application granted granted Critical
Publication of FR2689808B1 publication Critical patent/FR2689808B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • B29C45/17—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
FR9204881A 1992-04-14 1992-04-14 Procede pour fabriquer des corps creux par surmoulage autour d'un noyau eliminable. Expired - Fee Related FR2689808B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9204881A FR2689808B1 (fr) 1992-04-14 1992-04-14 Procede pour fabriquer des corps creux par surmoulage autour d'un noyau eliminable.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9204881A FR2689808B1 (fr) 1992-04-14 1992-04-14 Procede pour fabriquer des corps creux par surmoulage autour d'un noyau eliminable.

Publications (2)

Publication Number Publication Date
FR2689808A1 FR2689808A1 (fr) 1993-10-15
FR2689808B1 true FR2689808B1 (fr) 1995-06-30

Family

ID=9429087

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9204881A Expired - Fee Related FR2689808B1 (fr) 1992-04-14 1992-04-14 Procede pour fabriquer des corps creux par surmoulage autour d'un noyau eliminable.

Country Status (1)

Country Link
FR (1) FR2689808B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5247517A (en) * 1975-10-15 1977-04-15 Janome Sewing Machine Co Ltd Method of manufacturing waterrsoluble model
JPS579557A (en) * 1980-06-20 1982-01-19 Hitachi Ltd Manufacture of water soluble pattern
SU1194566A1 (ru) * 1984-02-03 1985-11-30 Предприятие П/Я М-5481 Композици дл изготовлени водорастворимых стержней и моделей
JPS606601A (ja) * 1984-03-05 1985-01-14 Nippon Nohyaku Co Ltd 水面施用用農薬粒剤
CH673106A5 (fr) * 1987-08-28 1990-02-15 Fischer Ag Georg
DE3736574A1 (de) * 1987-10-28 1989-05-18 Bayerische Motoren Werke Ag Verfahren und formkern zur herstellung von kunststoffgegenstaenden mit hinterschneidungen

Also Published As

Publication number Publication date
FR2689808A1 (fr) 1993-10-15

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Legal Events

Date Code Title Description
CL Concession to grant licenses
ST Notification of lapse