MEASURING INSTRUMENT FOR RESIN SPEED

PROBLEM TO BE SOLVED: To provide a measuring instrument for resin speed in which even a photoelectric sensor of poor heat resistance can be used. SOLUTION: In a measuring instrument for resin speed in which the end of a molten resin is detected by sensors 2a-2f installed at intervals along a resin p...

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Bibliographic Details
Main Author KIKUCHI TOSHIHIDE
Format Patent
LanguageEnglish
Published 21.01.1997
Edition6
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
MEASURING
MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK
PERFORMING OPERATIONS
PHYSICS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TESTING
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:PROBLEM TO BE SOLVED: To provide a measuring instrument for resin speed in which even a photoelectric sensor of poor heat resistance can be used. SOLUTION: In a measuring instrument for resin speed in which the end of a molten resin is detected by sensors 2a-2f installed at intervals along a resin passage in a mold, resin speed is measured by measuring the resin end passage time between the sensors, the sensors 2a-2f are photoelectric sensors, and transparent heat insulating members 3a-3f are arranged between the resin passage surfaces 1a of the sensor installation places and the photoelectric sensors 2a-2f.
Bibliography:Application Number: JP19950169391