U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...In 1790, the cost to obtain a patent was between $4 and $5.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 72/395 - With paired coplanar tool-faces (e.g., for stretching flat work)


Subclass of Class 72 - Metal deforming
Definition: Device wherein at least two of said relatively movable tools
No. of patents: 12
Last issue date: 10/30/2007


NumberTitleIssue Date
7287411Die for a tool set for mechanical joining
A die for a tool set includes at least one punch and a die which defines a cavity for effecting joining. The die comprises an anvil opposite the punch. Die segments adjoin the said anvil and define the cavity in the circumferential direction. When the punch is being...
10/30/2007
7150086Tool that connects pieces through a process of riveting
A tool, for making clinching connections, which has a multi-part matrix with matrix sheathing pieces that move to the outside and with counteracting springs. These springs are one-piece connected with each other through a connecting section. There are at least three...
12/19/2006
6959582Expandable forming tool
An expandable forming tool has a body with a mounting stem on its upper surface and a transversely extending channel in its lower surface in which is slidably seated a wedge-shaped actuator for vertical sliding movement. The larger lower end normally depends from th...
11/01/2005
6189361Tool for forming protrusions in material by cutting and deforming
There provides a tool, which is capable of smoothly executing a cutting and protruding process in all the steps from the starting to ending of cutting and protruding of a small protrusion when the protrusion is cut and protruded on an upper surface of a w...
02/20/2001
6035521Multi-directional crimp plate
A crimping apparatus for crimping a workpiece such as a terminal or eyelet around a core such as a wire or a fiber optic cable. The apparatus includes upper and lower identical plates supported for opposing reciprocal motion on respective upper and lower ...
03/14/2000
5992206Clinching die having metallic restoring member
A tool set for clinch-connecting superposed sheet materials is disclosed, the tool set comprising a punch and a die. The die includes an anvil and shaping elements displaceably disposed on the anvil. All shaping elements are positioned by one single metal...
11/30/1999
5509290Tools for cold flow forming of assembly points in sheet metal
Improvements relating to tools for cold flow forming of assembly points in sheet metal. The tools comprise first tool (1) with a punch (6) and a blank holder (5) and a second tool (10) with a guiding surface (16) from which extends a finger (14) terminate...
04/23/1996
5259102Clinching tool
A clinching tool including a punch and a die. The die includes a sleeve, a riser, an elastomeric member, and a plurality of fingers. The riser is positioned within the sleeve and includes an upper reduced diameter anvil portion projecting upwardly through...
11/09/1993
5131258Punch anvils for sheet fastening systems
A new punch anvil is provided for use with an axial punch for use in a fastening system of the kind in which the punch displaces a portion of one sheet member, such as a thin metal sheet, into another sheet to fasten them together, the punch and die coope...
07/21/1992
5031442Punch anvils for sheet fastening systems
A new punch anvil is provided for use with an axial punch for use in a fastening system of the kind in which the punch displaces a portion of one sheet member, such as a thin metal sheet, into another sheet to fasten them together, the punch and die coope...
07/16/1991
4498325Method for shaping panels by a bending operation, in particular panels for aircraft fuselage skin, and apparatus for implementing such method
A method is disclosed for bending panels which are provided with reinforcing stiffening ribs. The bending is caused by upsetting or elongating the ribs. Apparatus for carrying out the method also is disclosed and includes means which engage the ribs at po...
02/12/1985
3971244Impact tool
An impact tool for dressing metal sheets, particularly for repairing damaged vehicle bodies, has a tool carrier, in a bore of which there are guided at least two jaws separated from each other in the rest position of the tool by resilient elements, e.g. s...
07/27/1976
 
Sign InRegister
Username  
Password   
forgot password?