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Class Information
Number: 72/412
Name: Metal deforming > By tool-couple embodying nonplanar tool-face
Description: Device comprising a tool-couple* and means to drive or guide one element of said couple in a predetermined path relative to the other element of said tool-couple to effect an operation of the class type, the tool-face* of at least one such element having a portion of three-dimensional configuration (e.g., grooved, concave, etc.).

Sub-classes under this class:

Class Number Class Name Patents
72/416 Similar tool-faces 245
72/413 With adjustable or replaceable section of tool-face 133
72/414 With complementary tool-faces (e.g., for embossing) 125

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
4347726 Method and device for bending sheet-metal sections Sep. 7, 1982
4339941 Method and apparatus for producing thick welded steel pipe Jul. 20, 1982
4248075 Method of forming aperture with rounded edges in sheet material Feb. 3, 1981
4231246 Crimping tool for tubular-like objects and method Nov. 4, 1980
4226109 Tool for the stamping of holes or the like in sheet material such as metal plate Oct. 7, 1980
4216668 Crimping tool head Aug. 12, 1980
4166319 Illuminated engraving machine Sep. 4, 1979
4162570 Method and apparatus for separating a fitting from a tube Jul. 31, 1979
4150557 Forging apparatus having means for radially moving blade die segments Apr. 24, 1979
4136549 Electrical cable connector tool Jan. 30, 1979
4089204 Deburring apparatus May. 16, 1978
4048839 Die means having workpiece releasing means Sep. 20, 1977
4043174 Wire connector crimping device Aug. 23, 1977
4027519 Means and method for reducing the perimeter of a hollow thin walled member Jun. 7, 1977
4027521 Apparatus for making terminal connectors Jun. 7, 1977
3965714 Golf club bending machine for setting the loft and lie angles of the club head Jun. 29, 1976
3956823 Method of making an electrical connection between an aluminum conductor and a copper sleeve May. 18, 1976
3933025 High speed riveting system Jan. 20, 1976

1 2 3

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