Title:
ビードエーペックスゴム形成装置
Document Type and Number:
Japanese Patent JP6666874
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent rubber from leaking from between the rear shutter wall portion and the outer circumferential surface of each bead core, for the bead cores of various sizes differing in diameter.SOLUTION: Bead core holding means 2 and a forming head 4 are provided. The molding head 4 comprises a molding chamber 11 surrounded by a first side surface S1 and a second side surface S 2 and extending in the circumferential direction on a peripheral surface As of a bead core A, a rubber inflow port 15 opening at the first side surface S1, and a shutter wall portion 9 after closing the molding chamber 11 on the rear side of the rubber inflow port 15. The bead core holding means 2 comprises moving means 24 capable of moving an axial position pi of the held bead core A rearward from the rubber inflow port 11.SELECTED DRAWING: Figure 12
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Inventors:
Hiroyuki Takahashi
Masaaki Dobayashi
Shosuke Tanaka
Masaaki Dobayashi
Shosuke Tanaka
Application Number:
JP2017074649A
Publication Date:
March 18, 2020
Filing Date:
April 04, 2017
Export Citation:
Assignee:
Nakata Engineering Co., Ltd.
International Classes:
B29C48/25; B29C48/30; B29C48/92; B29D30/48
Domestic Patent References:
| JP2013237224A | ||||
| JP2011173369A | ||||
| JP2016043669A | ||||
| JP2010162704A |
Attorney, Agent or Firm:
Sumitomo Shintaro
Ura Shigego
Jun Naemura
Yukinobu Ishihara
Ura Shigego
Jun Naemura
Yukinobu Ishihara