Stamped Sheet Metal Hand Tool 1917 Patent

Park on may 30 1865 and to b.

Stamped sheet metal hand tool 1917 patent. Our custom stamps can be made for marking on flat curved concave or convex surfaces for stamping part numbers patent numbers trade names trademarks special lettering or other data. Compact bender metal fabrication tool mountable telescoping. Erie tools tt hb72 72 industrial sheet metal hand brake bender plate with stand. Us2192443a us265250a us26525039a us2192443a us 2192443 a us2192443 a us 2192443a us 265250 a us265250 a us 265250a us 26525039 a us26525039 a us 26525039a us 2192443 a us2192443 a us 2192443a authority us united states prior art keywords lever strap roller sector fulcrum prior art date 1939 03 31 legal status the legal status is an assumption and is not a legal conclusion.

Patents granted on 1917 patents 1 15 of 364. 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. Van mark metal master 20 siding brake. Us507672a us507672da us507672a us 507672 a us507672 a us 507672a us 507672d a us507672d a us 507672da us 507672 a us507672 a us 507672a authority us united states prior art keywords punch receptacle ticket jaw aperture prior art date 1893 10 31 legal status the legal status is an assumption and is not a legal conclusion.

30 square sheet metal steel hand bender bench mounted brake bending tool jig. 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. In 1969 the company was purchased by alexander t. Topping formerly the vice president of marketing for s k wayne tools.

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. 4 1 out of 5 stars 9 total ratings 9 73 99 new. 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. Durable technologies stamps for steel marking the best steel marking tools available.

Of course it is also possible to produce stamping plates 2 with a different geometry. Stubbs multi tool pat d may 30 65 july 10 66 patent number 56166 was awarded to a w. The company was founded around 1945 by the harmon family and remained in operation until at least the mid 1970s.