Title:
NUT HAVING SEAL WASHER
Document Type and Number:
WIPO Patent Application WO/2014/061122
Kind Code:
A1
Abstract:
Provided is a nut having a seal washer, with which loosening does not occur, which has stable water-stopping functions, and which has excellent fastening properties. This nut having a seal washer has a seal washer (2) attached to the bearing surface side of a nut body (1). The seal washer (2) has a stepped-shape in which the lower surface (7) of an outer peripheral section is higher than the lower surface (8) of an inner peripheral section. The lower surface (8) of the inner peripheral section serves as a metal touch surface with another member during fastening, and an elastic seal material (10) which protrudes further downward than the lower surface (8) of the inner peripheral section is provided on the lower surface (7) of the outer peripheral section.
Inventors:
ARAKI KENICHIRO (JP)
Application Number:
PCT/JP2012/076838
Publication Date:
April 24, 2014
Filing Date:
October 17, 2012
Export Citation:
Assignee:
AOYAMA SEISAKUSHO (JP)
International Classes:
F16B43/00; F16J15/06
Foreign References:
| JP3170983U | 2011-10-13 | |||
| JPS6220214U | 1987-02-06 | |||
| JPH04307105A | 1992-10-29 | |||
| JP2005226692A | 2005-08-25 |
Attorney, Agent or Firm:
YAMAMOTO Fumio et al. (JP)
Fumio Yamamoto (JP)
Fumio Yamamoto (JP)
Download PDF:
Previous Patent: BEVERAGE PERCOLATION DEVICE
Next Patent: IMAGE PROCESSING DEVICE, IMAGE PROCESSING PROGRAM AND IMAGE PROCESSING METHOD
Next Patent: IMAGE PROCESSING DEVICE, IMAGE PROCESSING PROGRAM AND IMAGE PROCESSING METHOD