Title:
ベントピース及びゴム成形用金型
Document Type and Number:
Japanese Patent JP6694342
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a vent piece capable of achieving both exhausting performance and external appearance.SOLUTION: Provided is a vent piece 30 attached to a vent hole 26 of a rubber molding die 10, which includes: a casing 32 having a cylindrical peripheral wall part 38 fitted to the vent hole 26 and an end wall part 40 that closes one end thereof; and an aggregate 36 of granular particles 34 charged into the casing 32. A vent hole 44 for communicating the aggregate 36 with the outside of the casing 32 is provided in the end wall part 40. The vent hole 44 is formed in a long hole shape extended over a plurality of voids 46 formed between the granular particles 34 of the aggregate 36.SELECTED DRAWING: Figure 2
Inventors:
Tetsuji Miyazaki
Application Number:
JP2016139562A
Publication Date:
May 13, 2020
Filing Date:
July 14, 2016
Export Citation:
Assignee:
toyo tire Co., Ltd.
International Classes:
B29C33/10; B29C33/02; B29C35/02
Domestic Patent References:
| JP2007062235A | ||||
| JP5138656A | ||||
| JP60062913U |
Attorney, Agent or Firm:
Masato Tsuda
Tetsuji Nakamura
Katsuyuki Tomita
Ariyoshi Yasuomi
Tetsuji Nakamura
Katsuyuki Tomita
Ariyoshi Yasuomi