Stamped Sheet Metal Hand Tool 1917 Patent

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Stamped sheet metal hand tool 1917 patent.

Patents granted on 1917 patents 1 15 of 364. A method is shown for manufacturing a sheet metal tool from a metal blank in which a predetermined pattern of etching resistant material is applied to the back surface of the metal blank to define exposed areas separated by resist areas. Erie tools tt hb72 72 industrial sheet metal hand brake bender plate with stand. A layer of etching resistant material is also applied to the front surface of the metal blank which overlies at least the exposed areas on the back surface of.

Stubbs multi tool pat d may 30 65 july 10 66 patent number 56166 was awarded to a w. 4 1 out of 5 stars 9 total ratings 9 73 99 new. 1 2 and 3 show a device 1 for punching and packaging preferably round die cut sheets 2 which by a tool upper part or stamp 3 and one cooperating with stamp 3 lower part of the tool or a die 4 a sheet metal strip 5 produced in a manner known per se become. Van mark metal master 20 siding brake.

Design for a wrench. Us2260624a us308621a us30862139a us2260624a us 2260624 a us2260624 a us 2260624a us 308621 a us308621 a us 308621a us 30862139 a us30862139 a us 30862139a us 2260624 a us2260624 a us 2260624a authority us united states prior art keywords anvil sheet metal pin hammer block prior art date 1939 12 11 legal status the legal status is an assumption and is not a legal conclusion. Compact bender metal fabrication tool mountable telescoping. Boardman for a improved combination tool on july 10 1866 with a hammer claw a monkey wrench a hammer face and a 5 16 square hole in the bottom of the hollow handle for use as a nut driver.

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Of course it is also possible to produce stamping plates 2 with a different geometry. In 1969 the company was purchased by alexander t. Topping formerly the vice president of marketing for s k wayne tools.