Title:
Fixing structure of a diaphragm, a diaphragm pump provided with it, and a valve gear
Document Type and Number:
Japanese Patent JP6014072
Kind Code:
B2
Abstract:
By a securing structure 4, a diaphragm 3 dividing a space 20 into a first chest 21 and a second chest 22 is secured to a case 2 forming the space 20 therein. The case 2 has a first frame 5 having a first concave portion 50 for forming the first chest 21, and a second frame 6 having a second concave portion 60 for forming the second chest 22. The edge portion 32 of the diaphragm 3 is compressed and secured between the first frame 5 and the second frame 6 which are fitted with each other. The first frame 5 has a first securing portion 52 for retaining the second frame 6 upon the fitting so as not to come off.
Inventors:
Kohei Morita
Takeshi Ishimaru
Takeshi Ishimaru
Application Number:
JP2014058751A
Publication Date:
October 25, 2016
Filing Date:
March 20, 2014
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
F04B45/04; F04B43/02; F16J3/04; F16K7/12; F16K7/14
Domestic Patent References:
| JP47031201Y1 | ||||
| JP58165282U | ||||
| JP2013087680A | ||||
| JP4089585U | ||||
| JP2005016415A | ||||
| JP2007515584A | ||||
| JP2002139161A |
Attorney, Agent or Firm:
Sumitomo Shintaro