Title:
VALVE HOLDER FOR ADJUSTING OXYGEN DISCHARGE AMOUNT IN LANCE EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2022/203161
Kind Code:
A1
Abstract:
The present invention relates to a grip-type valve holder for controlling the oxygen discharge in lance equipment. As an embodiment, a valve holder for lance equipment, which is coupled to the rear portion of an extension tube and includes a valve body for controlling an oxygen discharge amount, comprises: a body provided with the valve body; an operating lever which is coupled to the body in a hinged manner and operates the valve body according to a rotating angle; a curve loop which protrudes from the body and has a guide recess in which the front end portion of the operating lever is accommodated; and a stopper which moves back and forth in the lengthwise direction of the operating lever, wherein the curve loop has an insertion groove formed therein so that the stopper that has moved forward is caught in the insertion groove and the rotating angle of the operating lever is fixed.
Inventors:
KANG UI-CHANG (KR)
Application Number:
PCT/KR2021/018311
Publication Date:
September 29, 2022
Filing Date:
December 06, 2021
Export Citation:
Assignee:
BBC BROWN BOVERI & CIE (KR)
International Classes:
C21B7/12; C21B7/14; C21B7/16; F27B9/36; F27B9/39
Foreign References:
| US20110198523A1 | 2011-08-18 | |||
| KR200315547Y1 | 2003-06-02 | |||
| KR20180094234A | 2018-08-23 | |||
| KR20050087415A | 2005-08-31 | |||
| KR200274414Y1 | 2002-05-06 |
Attorney, Agent or Firm:
C.M. PATENT & LAW FIRM. LLP (KR)
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