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Class Information
Number: 29/521
Name: Metal working > Method of mechanical manufacture > Assembling or joining > Joining by deforming > Surface interlocking
Description: Process in which the parts have generally planar faces that carry projections, including deforming the projections to interengage and thereby fasten matching faces of the parts to each other.


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
4974274 Method of making an engine clip bolt Dec. 4, 1990
4969250 Fascia assembly and method of making same Nov. 13, 1990
4964338 Method of mechanically joining the marginal portions of a blank of a printing plate for rotary printing, and printing plate thus produced Oct. 23, 1990
4955133 Method of making pulleys with plural V-shaped grooves Sep. 11, 1990
4940937 Pulse generating ring for electromagnetic rotary position detection Jul. 10, 1990
4920630 Method of making parts for a magnetic cylinder May. 1, 1990
4897912 Method and apparatus for forming joints Feb. 6, 1990
4880260 Method of joining pipes Nov. 14, 1989
4864712 Method for producing a fabric covered metal rail Sep. 12, 1989
4856316 Apparatus for forming joints Aug. 15, 1989
4835850 Apparatus for joining pieces of sheet metal Jun. 6, 1989
4831711 Method for joining thin plates stacked on one another May. 23, 1989
4831706 Method of making spiral staircases May. 23, 1989
4829654 Method of manufacturing a pressurized fluid coupling May. 16, 1989
4827595 Method for hemming overlapped sheet material May. 9, 1989
4815194 Method of making vehicle sunroofs Mar. 28, 1989
4811475 Plant hanger Mar. 14, 1989
4805592 Joint construction for metal sheets Feb. 21, 1989
4783087 Gasket assembly having a sealing insert member and method of forming Nov. 8, 1988
4779326 Method of bonding a metal round rod to a metal plate Oct. 25, 1988
4769892 Pipe joining method Sep. 13, 1988
4768278 Method of manufacturing a joint for connecting a spigot to the bell of a pipe or coupling Sep. 6, 1988
4760634 Method of connecting thin plates Aug. 2, 1988
4760632 Method and apparatus for joining plates by stamping pressing and swaging dies Aug. 2, 1988
4759165 Roofing panel assembly and method of making same Jul. 26, 1988
4752993 Fastener and method of attachment to sheet material Jun. 28, 1988
4747202 Method of fastening panels using blind fasteners with deformable drive nuts May. 31, 1988
4734971 Method of mechanically crimping overlapping sheet metal Apr. 5, 1988
4723783 Aluminum faced expanded graphite gasket and method of making same Feb. 9, 1988
4716750 Process for obtaining composite hollow members from variegated longitudinal strips, embodied with or without a removable core Jan. 5, 1988
4711010 Method of sealing off the vaporization chamber of a steam iron Dec. 8, 1987
4640819 Stress crack reduction in polycarbonate parts Feb. 3, 1987
4633569 Process and device for positioning hair-pin springs on plate, particularly for fuel assembly grids Jan. 6, 1987
4614017 Device for joining metal sheets by a rivetting-type method Sep. 30, 1986
4610070 Process for manufacturing clad strips Sep. 9, 1986
4607422 Method for locking a bonnet to a valve body Aug. 26, 1986
4607418 Means for interlocking overlapping sheet material Aug. 26, 1986
4599257 Method of forming a metal fiberglass interface Jul. 8, 1986
4585255 Heavy duty tube coupling Apr. 29, 1986
4550479 Process for the production of a heat treated bearing ring Nov. 5, 1985
4550513 Replaceable wear-edge router bit Nov. 5, 1985
4534092 Apparatus for joining lengths of metal strip Aug. 13, 1985
RE31737 Adjustable die and punch for sheet material fastening machines Nov. 20, 1984
4458413 Process for forming multi-gauge strip Jul. 10, 1984
4450615 Method of fabricating a hand calculator May. 29, 1984
4443979 Adapter for bracket securement to wall studs and method of manufacture Apr. 24, 1984
4441241 Method of manufacturing a heat exchanger unit Apr. 10, 1984
4442150 Flexible two-dimensional material Apr. 10, 1984
RE31535 Spot clinch means and method Mar. 13, 1984
4435741 Electrical circuit elements combination Mar. 6, 1984

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