FR2439657A1 - Procede pour le moulage d'un receptacle monolithique profond et etroit et receptacle ainsi obtenu - Google Patents

Procede pour le moulage d'un receptacle monolithique profond et etroit et receptacle ainsi obtenu

Info

Publication number
FR2439657A1
FR2439657A1 FR7830364A FR7830364A FR2439657A1 FR 2439657 A1 FR2439657 A1 FR 2439657A1 FR 7830364 A FR7830364 A FR 7830364A FR 7830364 A FR7830364 A FR 7830364A FR 2439657 A1 FR2439657 A1 FR 2439657A1
Authority
FR
France
Prior art keywords
injection moulded
wall thickness
thin walled
ensure uniform
cassette container
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.)
Granted
Application number
FR7830364A
Other languages
English (en)
Other versions
FR2439657B1 (fr
Inventor
Patrick Posso
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.)
Gefitec SA
Original Assignee
Gefitec 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 Gefitec SA filed Critical Gefitec SA
Priority to FR7830364A priority Critical patent/FR2439657A1/fr
Publication of FR2439657A1 publication Critical patent/FR2439657A1/fr
Application granted granted Critical
Publication of FR2439657B1 publication Critical patent/FR2439657B1/fr
Granted 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/36—Moulds having means for locating or centering cores
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/027—Containers for single reels or spools

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)

Abstract

LE PROCEDE CONSISTE, POUR REDUIRE LA LONGUEUR FLECHISSANTE DU TIROIR OU PAVE14 SOUS L'EFFET DE LA PRESSION D'INJECTION A MAINTENIR POSITIVEMENT L'UNE AU MOINS QUELCONQUE DES EXTREMITES DE CE PAVE EN LA PINCANT ENTRE LES DEUX PARTIES10, 11 DU MOULE, RESPECTIVEMENT A L'EXTERIEUR DE LADITE CAVITE INTERNE, S'IL S'AGIT DE L'EXTREMITE LIBRE24 ET A L'INTERIEUR S'IL S'AGIT DE L'EXTREMITE PORTANTE18, 19 DE LADITE CAVITE INTERNE DU MOULE. DES LORS, LE RECEPTACLE OBTENU PRESENTE UNE LUMIERE ALLONGEE23 DANS SON CHANT POSTERIEUR6 ETOU DES ECHANCRURES15, 16 DANS SES PAROIS FACIALES4, 5. CE PROCEDE EST APPLICABLE AU MOULAGE, PAR INJECTION DE MATIERE PLASTIQUE, DE RECEPTACLES DIVERS ET NOTAMMENT DES ELEMENTS CONSTITUTIFS (CORPS ET COUVERCLE) D'UNE BOITE DESTINEE A CONTENIR UNE BOBINE POUR FILM CINEMATOGRAPHIQUE, POUR BANDE MAGNETIQUE OU AUTRE.
FR7830364A 1978-10-25 1978-10-25 Procede pour le moulage d'un receptacle monolithique profond et etroit et receptacle ainsi obtenu Granted FR2439657A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7830364A FR2439657A1 (fr) 1978-10-25 1978-10-25 Procede pour le moulage d'un receptacle monolithique profond et etroit et receptacle ainsi obtenu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7830364A FR2439657A1 (fr) 1978-10-25 1978-10-25 Procede pour le moulage d'un receptacle monolithique profond et etroit et receptacle ainsi obtenu

Publications (2)

Publication Number Publication Date
FR2439657A1 true FR2439657A1 (fr) 1980-05-23
FR2439657B1 FR2439657B1 (fr) 1981-09-04

Family

ID=9214151

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7830364A Granted FR2439657A1 (fr) 1978-10-25 1978-10-25 Procede pour le moulage d'un receptacle monolithique profond et etroit et receptacle ainsi obtenu

Country Status (1)

Country Link
FR (1) FR2439657A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE491683A (fr) *
FR964405A (fr) * 1950-08-17
GB721609A (en) * 1952-04-04 1955-01-12 G & E Equipment And Contracts Improvements in moulding hollow articles particularly from synthetic thermoplastic resins
FR1108455A (fr) * 1954-07-08 1956-01-13 Doremieux Fils Et Cie Procédé de moulage de bobine pour métier à filer ou analogue
US3051537A (en) * 1958-06-12 1962-08-28 Carl Schneider Fa Device for storing film and sound record tapes
DE1188790B (de) * 1955-01-10 1965-03-11 Franz Prokopius Mehrteilige Spritzgiessform zum Herstellen von flachen Kunststoffhohlkoerpern
US3854191A (en) * 1970-12-16 1974-12-17 Medical Dev Corp Method of making fluid collection receptacles

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE491683A (fr) *
FR964405A (fr) * 1950-08-17
GB721609A (en) * 1952-04-04 1955-01-12 G & E Equipment And Contracts Improvements in moulding hollow articles particularly from synthetic thermoplastic resins
FR1108455A (fr) * 1954-07-08 1956-01-13 Doremieux Fils Et Cie Procédé de moulage de bobine pour métier à filer ou analogue
DE1188790B (de) * 1955-01-10 1965-03-11 Franz Prokopius Mehrteilige Spritzgiessform zum Herstellen von flachen Kunststoffhohlkoerpern
US3051537A (en) * 1958-06-12 1962-08-28 Carl Schneider Fa Device for storing film and sound record tapes
US3854191A (en) * 1970-12-16 1974-12-17 Medical Dev Corp Method of making fluid collection receptacles

Also Published As

Publication number Publication date
FR2439657B1 (fr) 1981-09-04

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Legal Events

Date Code Title Description
ST Notification of lapse