Title:
POLYACETAL RESIN-MADE GEAR AND FATIGUE RESISTANCE CHARACTERISTIC IMPROVING METHOD OF POLYACETAL RESIN-MADE GEAR
Document Type and Number:
Japanese Patent JP2023005058
Kind Code:
A
Abstract:
To provide a polyacetal resin-made gear which is excellent in fatigue resistance characteristics.SOLUTION: A polyacetal resin-made gear is formed of a polyacetal resin or a resin composition containing a polyacetal resin, wherein the polyacetal resin is obtained by copolymerization of trioxane (A), a cyclic acetal compound (B) and an aliphatic glycidyl ether compound (C) having one glycidyloxy group in one molecule, and in the whole components (A) to (C), the cyclic acetal compound (B) is 0.5-2.5 mol%, and the aliphatic glycidyl ether compound (C) is 0.02-0.7 mol%.SELECTED DRAWING: None
Inventors:
YOKOTA TOMOAKI
Application Number:
JP2021106748A
Publication Date:
January 18, 2023
Filing Date:
June 28, 2021
Export Citation:
Assignee:
POLYPLASTICS CO
International Classes:
C08G2/10; C08G2/24; F16H55/06
Domestic Patent References:
| JP2003105048A | 2003-04-09 | |||
| JP2005232404A | 2005-09-02 | |||
| JP2005132896A | 2005-05-26 | |||
| JP2001288236A | 2001-10-16 | |||
| JP2003286386A | 2003-10-10 | |||
| JP2002356603A | 2002-12-13 |
Attorney, Agent or Firm:
Hidekazu Miyoshi
Shunichi Takahashi
Masakazu Ito
Toshio Takamatsu
Shunichi Takahashi
Masakazu Ito
Toshio Takamatsu
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