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Class 219/157 - Rivets


Subclass of Class 219 - Electric heating
Definition: Subject matter in which the metal heated is a rivet.
No. of patents: 5
Last issue date: 08/16/2005


NumberTitleIssue Date
6928927Intaglio printing press
An intaglio printing press includes, an intaglio plate cylinder, inking units, each having an ink supplying pattern roller in contact with the intaglio plate cylinder, and each ink supplying pattern roller having different supply patterned portions, an ink removing ...
08/16/2005
6836948Method of joining a sheet metal part to a metal tube
The present invention provides a method of joining a sheet metal part to a metal tube to form an assembly. In an overlapping configuration, the parts are held together under a clamping force while a self-piercing rivet is driven through the assembly by a welding ele...
01/04/2005
6417490Method and device for thermally supporting mechanical joints
The invention relates to a method and device for thermally supporting mechanical joints by means of punched rivets with a semi-hollow rivet or a solid rivet or by pounding. The method is characterized in that a local and time limited heating of the joint ...
07/09/2002
6281458Circuit breaker auxiliary magnetic trip unit with pressure sensitive release
An auxiliary magnetic trip unit for a circuit breaker arranged on the load strap of an industrial-rated circuit breaker to interrupt circuit current upon occurrence of a high-level short circuit fault. The magnetic trip unit employs a magnet yoke, an arma...
08/28/2001
5828028Hot forging method and apparatus
An apparatus and method for resistance welding and then hot forging first and second workpieces together is disclosed. The first workpiece is provided with a deformable rivet. The second workpiece is provided with an aperture sized to receive the deformab...
10/27/1998
 
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