Machine for testing internal thread in valve stems,申请号US19300452337-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Machine for testing internal thread in valve stems
摘要
申请公布号	US1880405(A)	申请公布日期	1932.10.04
申请号	US19300452337	申请日期	1930.05.14
申请人	THE FIRESTONE STEEL PRODUCTS COMPANY	发明人	BROECKER LEWIS C.
分类号	G01B3/48	主分类号	G01B3/48
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Continuous gasification of reactants in a steel converter - forming redn gas fed into blast furnace to reduce coke consumption

Obstetrical vacuum extractor with electrical pressure gauge - having pressure strain gauge fixed adjacent to straining chain

Steel tubes with large dia. prodn. - by descaling, progressive local heating and quenching and widening

Internally ribbed tube production process - welds seams working in opposite direction to flanges of strips forming walls

Timepiece indexing mechanism using two coupled indexing wheels - wheels cooperate with double anchor arm

Radar interference suppression circuit for sea traffic control - uses background threshold signal enabling automatic processing and workload reduction

Superimposition of three dot screens with three primary colours - for recording images line by line and reducing moire effect

Ski stick which is partic. suitable for cross country type races - has carbon fibre reinforced glass fibre central tube fitted with outer radial wrappings for protection

Divided net drum on board fishing vessel - has drive unit fitted with clutch and brake and independently rotatable drum parts

Press table strap guide mechanism - has compensator for table and mechanism movements not exactly parallel

Floating-roof tank construction system - assembles cover plate pontoons and inflatable seals on supports from baseplate

Loading installation - with a load carrying band moving across a roller system and devices to stop the band and relocate the rollers

Sectional pipe-rolling roller - with annular eccentric slot on joint of band and bush ends

Hydraulic drive for impact tool - incorporates work piston with control slide valve with groove to provide hydraulic connection

Phospholanium salt compsns. - as plant growth regulators for application to plants and seeds

Loading unit for waste collecting containers - with hydraulically operated loading platform and safety lock projecting into guide track

Closing the ends of workpieces on circular knitting machines - plungers pressing on fabric allow room between for welder

Table top skittles game - has skittles on board with inclined runway behind for automatic return

Building element using foamed plastic moulding - bonded to cement mixt. suitable for carrying plaster

Telephone charges display device - has presettable tariff store for unit charges, and converter for received charge pulses.