Title:
ROTATIONAL SHAFT SEAL
Document Type and Number:
Japanese Patent JP2018204707
Kind Code:
A
Abstract:
To provide a rotational shaft seal capable of suppressing leakage of powder.SOLUTION: A rotational shaft seal comprises: a slide part 10 used in a state of relatively moving to an outer peripheral surface of a rotational shaft of a rotor while covering and sliding on the outer peripheral surface, wherein the rotor is disposed in a container; and a base part 20 capable of elastic deformation comprising a drawable polyolefin resin sheet of shape holding property, holding a base end of the slide part on an inner surface, and whose outer surface 20b is fitted and fixed to the container. The slide parts project from both ends of the base part and are overlapped with each other, in a state where the outer surface of the base part is fitted into the container.SELECTED DRAWING: Figure 1
Inventors:
OHARA YASUYUKI
NAGASAKA KAZUYUKI
ANDO SADAHIRO
NAGASAKA KAZUYUKI
ANDO SADAHIRO
Application Number:
JP2017111235A
Publication Date:
December 27, 2018
Filing Date:
June 06, 2017
Export Citation:
Assignee:
TSUCHIYA TSCO CO LTD
International Classes:
F16J15/22; D03D27/00; F16J15/18; F16J15/3288; G03G15/08
Attorney, Agent or Firm:
Yukinori Sezaki