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PLASTIFLEX
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PLASTIFLEX
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Publication date
Application filed by PLASTIFLEXfiledCriticalPLASTIFLEX
Application grantedgrantedCritical
Publication of FR1164021ApublicationCriticalpatent/FR1164021A/fr
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
B29C45/2803—Closure devices therefor comprising a member with an opening or the injection nozzle movable into or out of alignment with the sprue channel or mould gate
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Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
Mechanical Engineering
(AREA)
FR1164021D1956-12-271956-12-27Dispositif obturateur pour moules de matières plastiques
ExpiredFR1164021A
(fr)