Title:
PRIMING PLUG AND PUMP INCLUDING PRIMING PLUG
Document Type and Number:
Japanese Patent JP2017219172
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To enable a priming plug to be easily rotated with smaller force.SOLUTION: A priming plug includes a head part and a screw part, and the screw part is screwed into a priming inlet provided in a pump casing. The head part includes a pair of projections. The shape of each projection has, on a cross section with a central axis of the priming plug as a normal line, a pair of outer peripheral side convex parts close to an outer periphery of the head part, a pair of side parts extending from each outer peripheral side convex part to a central axis side and not crossing a straight line connecting between each outer peripheral side convex part and the central axis, and a center side convex part formed at a position where the pair of side parts cross with each other.SELECTED DRAWING: Figure 2
Inventors:
IMAI TOMOHIRO
KAWABATA JUNYA
KAWABATA JUNYA
Application Number:
JP2016116125A
Publication Date:
December 14, 2017
Filing Date:
June 10, 2016
Export Citation:
Assignee:
EBARA CORP
International Classes:
F16L55/00; F04D9/00
Attorney, Agent or Firm:
Shinjiro Ono
Toru Miyamae
Yukio Kanegae
Yasuko Tagami
Makoto Watanabe
Takuya Ando
Toru Miyamae
Yukio Kanegae
Yasuko Tagami
Makoto Watanabe
Takuya Ando
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