Injection mold probe and runnerless injection mold

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5456592
SERIAL NO

08196957

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An injection mold probe and a runnerless injection mold, in which the injection mold has a tip heater for intermittently heating a tip portion of the probe and a body heater for heating a body portion of the probe. The heaters being furnished with power from a single power source. The injection mold probe has its tip portion provided with a tip heater, which is made of platinum or a platinum alloy with the electric resistance thereof increased quickly with temperature increase caused by energization and its body portion provided with a body heater, which is made from a nicrome wire with the electric resistance thereof less increased with temperature increased caused by energization, the tip and body heaters being connected in series. The probe is mounted in a runner portion of a die with its tip portion disposed near a gate portion of the die. The runnerless injection mold comprises a power source unit for controlling power in synchronism to a molding process to serially supply power to the tip and body heaters.

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Patent Owner(s)

Patent OwnerAddress
SEIKI KABUSHIKI KAISHATOKYO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shindo, Hiraku Yonezawa, JP 2 42

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  • 20 Citation Count
  • B29C Class
  • 54.68 % this patent is cited more than
  • 30 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges821410543198322201 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 80100 +0102030405060708090100110120130140150160170180190200210220230

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