JPS55126167A - Manufacture of valve seat for ball valve - Google Patents

Manufacture of valve seat for ball valve

Info

Publication number
JPS55126167A
JPS55126167A JP3465279A JP3465279A JPS55126167A JP S55126167 A JPS55126167 A JP S55126167A JP 3465279 A JP3465279 A JP 3465279A JP 3465279 A JP3465279 A JP 3465279A JP S55126167 A JPS55126167 A JP S55126167A
Authority
JP
Japan
Prior art keywords
valve seat
valve
spherical body
smooth
given
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3465279A
Other languages
Japanese (ja)
Inventor
Mitsuhiro Koyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TLV Co Ltd
Original Assignee
TLV Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TLV Co Ltd filed Critical TLV Co Ltd
Priority to JP3465279A priority Critical patent/JPS55126167A/en
Publication of JPS55126167A publication Critical patent/JPS55126167A/en
Pending legal-status Critical Current

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  • Taps Or Cocks (AREA)

Abstract

PURPOSE: To make the surface of a valve seat smooth by pressing a solid body of the same shape as that of the valve seal surface against the surface of a synthetic resin valve seat.
CONSTITUTION: Valve seat 11 is fitted to the upper surface of lower support 10, made of metal. The inner wall of the depression on the upper surface of lower support 10 is given a smooth finish. The inner diameter of its surrounding wall is made nearly the same as the outer diameter of valve seat 11 and is given a fine finish. Spherical body 13, made of metal, is mounted on valve seat surface 12 of valve seat 11. This spherical body 13 is hard and its surface is given a smooth finish. Spherical body 13 has the same radius of curvature as the valve on which valve seat 11 is to be fitted. On spherical body 13 are placed upper support 10' and valve seat 11', which are similar to lower support 10 and valve seat 11. When they are compressed from both sides of upper and lower supports 10', 10, valve seat surfaces 12, 12' of valve seats 11, 11' are made smooth.
COPYRIGHT: (C)1980,JPO&Japio
JP3465279A 1979-03-23 1979-03-23 Manufacture of valve seat for ball valve Pending JPS55126167A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3465279A JPS55126167A (en) 1979-03-23 1979-03-23 Manufacture of valve seat for ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3465279A JPS55126167A (en) 1979-03-23 1979-03-23 Manufacture of valve seat for ball valve

Publications (1)

Publication Number Publication Date
JPS55126167A true JPS55126167A (en) 1980-09-29

Family

ID=12420364

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3465279A Pending JPS55126167A (en) 1979-03-23 1979-03-23 Manufacture of valve seat for ball valve

Country Status (1)

Country Link
JP (1) JPS55126167A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6178637B1 (en) * 1996-01-20 2001-01-30 Robert Bosch Gmbh Method and apparatus for producing rotationally symmetrical valve seat faces of high surface quality in valves

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4825331A (en) * 1971-08-10 1973-04-02

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4825331A (en) * 1971-08-10 1973-04-02

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6178637B1 (en) * 1996-01-20 2001-01-30 Robert Bosch Gmbh Method and apparatus for producing rotationally symmetrical valve seat faces of high surface quality in valves

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