Title:
METHOD FOR MANUFACTURING SEAL BODY, AND SEAL BODY
Document Type and Number:
WIPO Patent Application WO/2023/026752
Kind Code:
A1
Abstract:
This method 1 for manufacturing a seal body comprises: a belt-shaped body formation step provided with a cross-linking agent addition step S1 for adding a cross-linking agent 3 to a compound 2 containing a halogen-group-containing monomer as a structural unit then mixing the agent and the compound together, a kneading step S2 for kneading the resultant mixture 4, a pressurizing step S3 for pressurizing the kneaded product 5, and a cutting step S4 for cutting the pressurized body 6 into a belt-shaped body 7; and a pressure-bonding step provided with a pressure-bonding and heating step S5 in which one end portion and the other end portion of the belt-shaped body 7 are pressure-bonded to one another to form an endless seal body 8.
Inventors:
OKA SHINICHIRO (JP)
SEKIGUCHI KENSUKE (JP)
AOYAGI YUICHI (JP)
SUZUKI KEITA (JP)
SEKIGUCHI KENSUKE (JP)
AOYAGI YUICHI (JP)
SUZUKI KEITA (JP)
Application Number:
PCT/JP2022/028911
Publication Date:
March 02, 2023
Filing Date:
July 27, 2022
Export Citation:
Assignee:
NOK CORP (JP)
International Classes:
F16J15/00; C09K3/10
Domestic Patent References:
| WO2021065669A1 | 2021-04-08 |
Foreign References:
| JP2013163807A | 2013-08-22 | |||
| JP2015520052A | 2015-07-16 | |||
| JP2007051257A | 2007-03-01 | |||
| JP2002212341A | 2002-07-31 | |||
| JP2002264004A | 2002-09-18 |
Attorney, Agent or Firm:
WATANABE Kazuhira (JP)
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