JPH03107587U - - Google Patents

Info

Publication number
JPH03107587U
JPH03107587U JP1711690U JP1711690U JPH03107587U JP H03107587 U JPH03107587 U JP H03107587U JP 1711690 U JP1711690 U JP 1711690U JP 1711690 U JP1711690 U JP 1711690U JP H03107587 U JPH03107587 U JP H03107587U
Authority
JP
Japan
Prior art keywords
valve
bonnet
valve body
opening
high vacuum
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
JP1711690U
Other languages
English (en)
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 filed Critical
Priority to JP1711690U priority Critical patent/JPH03107587U/ja
Publication of JPH03107587U publication Critical patent/JPH03107587U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Details Of Valves (AREA)

Description

【図面の簡単な説明】
第1図は本考案の縦断正面図、第2図は同要部
の拡大断面図、第3図はエンドレスばねの要部を
示す断面図、第4図は公知の高真空圧バルブの縦
断正面図、第5図は同要部の拡大断面図である。 21……高真空圧バルブ、22……弁本体、2
3,24……ポート、25……流路、26……弁
座、27……開口部、28……ボンネツト、29
……弁棒、30……弁体、35……エンドレスば
ね、36……メタルベローズプレート、37……
メタルベローズ。

Claims (1)

  1. 【実用新案登録請求の範囲】 複数のポート、これらのポートを連通させる流
    路中の弁座、及び該弁座の開口方向に形成した開
    口部を有する弁本体と、上記開口部に分離可能に
    取付けたボンネツトと、弁体を有し上記ボンネツ
    トに進退可能に設けた弁棒とを備え、該弁棒の進
    退によつて弁体が弁座を開閉する高真空圧バルブ
    において、 上記ボンネツトが、弁本体とボンネツト間の、
    金属線材を螺旋状に密に巻回してエンドレスにし
    たエンドレスばね及び環状のベローズプレートと
    、両端が該ベローズプレートと弁体とに固着され
    たベローズとによつて、上記流路に対して気密に
    シールされている、 ことを特徴とする高真空圧バルブにおけるボンネ
    ツトのシール機構。
JP1711690U 1990-02-22 1990-02-22 Pending JPH03107587U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1711690U JPH03107587U (ja) 1990-02-22 1990-02-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1711690U JPH03107587U (ja) 1990-02-22 1990-02-22

Publications (1)

Publication Number Publication Date
JPH03107587U true JPH03107587U (ja) 1991-11-06

Family

ID=31520347

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1711690U Pending JPH03107587U (ja) 1990-02-22 1990-02-22

Country Status (1)

Country Link
JP (1) JPH03107587U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005315359A (ja) * 2004-04-28 2005-11-10 Chiyoda Kucho Kiki Kk バルブ装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61130686A (ja) * 1984-11-30 1986-06-18 Tokuda Seisakusho Ltd 真空バルブ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61130686A (ja) * 1984-11-30 1986-06-18 Tokuda Seisakusho Ltd 真空バルブ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005315359A (ja) * 2004-04-28 2005-11-10 Chiyoda Kucho Kiki Kk バルブ装置

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