MOLD STRUCTURE

PROBLEM TO BE SOLVED: To improve operability even if there is necessity of molding, for example, many types of products in the case of using a three-plate type mold. SOLUTION: A three-plate type mold 1 has first cavities A (Al, A2), second cavities B (B1, B2) and third cavities C (C1, C2). The mold...

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Bibliographic Details
Main Author AOSHIMA TOSHIYUKI
Format Patent
LanguageEnglish
Published 16.06.1998
Edition6
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:PROBLEM TO BE SOLVED: To improve operability even if there is necessity of molding, for example, many types of products in the case of using a three-plate type mold. SOLUTION: A three-plate type mold 1 has first cavities A (Al, A2), second cavities B (B1, B2) and third cavities C (C1, C2). The mold 1 roughly has a first plate 2 having an injection port 2a and a main channel 2b of molten resin, a second plate 3 for forming part of cavities A to C to inject the resin in the cavities A to C, and a third plate 4 for similarly forming part of the cavities A to C. The plates 2, 3, 4 are separable at opposed contact surfaces. A variable runner plate 5 linearly movable in a vertical direction of the drawing is disposed on the plate 3. Variable channels 5a, 5b, 5c for selectively communicating with the cavities A to C are formed at the plate 5.
Bibliography:Application Number: JP19960325238