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Class 29/898.057 - Die-press shaping


Subclass of Class 29 - Metal working
Definition: Process wherein the means for manufacturing or altering
No. of patents: 28
Last issue date: 05/18/2010


NumberTitleIssue Date
7716836Method of producing a plain bearing bush or bearing shell of varying width
The invention relates to a method of producing a plain bearing bush or bearing shell of varying width from a flat strip material, which comprises the following steps: incorporating grooves in the flat strip material along the bush ...
05/18/2010
7594332Method and apparatus for making a cylindrical bearing member
A cylindrical bearing member, which can hold lubricating oil in blind grooves as oil reservoirs for a long period of time to exhibit a lubricating function sufficiently, the blind grooves being efficiently mass-produced on the inside of the cylindrical member at low...
09/29/2009
7322091Vibration isolating bushing and its manufacturing method
This invention relates to a vibration isolating bushing, for example, built into a suspension system, an inside diameter of one edge (4) of an inner cylinder (1) being made larger than that of the other edge (6). The outside diameter of the thin...
01/29/2008
7263774Plain bearing shell and method for producing a holding projection on a plain bearing shell
The invention relates to a plain bearing shell for supporting an engine crankshaft or camshaft, or as a connecting rod bearing shell of an engine, the plain bearing shell comprises a radially outward protruding holding projection in the region of the separating surf...
09/04/2007
7174765Flange sleeve, method for the production thereof and bending tool for producing flanges on a sleeve
A flange sleeve comprising at lest one flange formed thereon, having no gap at the joint or having a controllably adjusted width of the gap at the joint. The flange has two crowding recesses at least in the metal coating thereof in at least two points distributed ov...
02/13/2007
7159317Inner metal link bushing for a vibration isolator and method for forming
An inner metal link bushing is formed by providing flat steel stock having a chamfered edge disposed at an angle relative to the surfaces such that, when the flat stock is reshaped to a tubular formation, the edges forming a longitudinal seam will initially contact ...
01/09/2007
7117709Flange sleeve and method for the production thereof
The invention relates to a method for the production of a flange sleeve (10) especially for a sliding bearing. A strip of material is cut into lengths corresponding to the later periphery of the flange sleeve. The strip section (14) thus arising is rol...
10/10/2006
6854183Lead-free bearing
A lead-free bearing includes a bronze matrix powder metal bearing layer bonded to a steel backing a fully densified. The bearing material has about 8 to 12% by weight tin, about 1 to less than 5% by weight bismuth, and about 0.03 to 0.08% by weight phosphorus, with ...
02/15/2005
6842982Method of producing bushing
By press-fitting a cylindrical blank into a die with one of a pair of punches, and at the same time press-fitting small diameter end portions and tapered portions of the pair of punches into both ends of the cylindrical blank while restraining both end surfaces of t...
01/18/2005
6817098Method for forming inner flanges in a bushing which is used to secure a hose therein
A method of forming inner flanges in a bushing comprises steps of (a) extruding a bushing into an extruding die, (b) cutting an initial upward flange in the bushing, (c) shaping the initial upward flange into a final inner flange, and (d) repeating steps (a) to (c) ...
11/16/2004
6588248Wrapped plain bearing bush
A wrapped plain bearing bush having a bush width which varies in the peripheral direction. The bush is characterized in that it is wrapped from a strip-shaped band section which is provided with a variable over the length of the section while still in its...
07/08/2003
6289711Method and device for rounding bushings
The invention concerns a bending device (10) comprising two shaping dies (12, 14) with shaping chambers (22, 24) in order to round a sheet bar (26) about a core (16). The peripheral lengths of the two shaping chambers (22, 24) are each longer than half th...
09/18/2001
6065322Method and device for forming blanks for bearing rings
A separating/punching device is provided which can simultaneously separate an outer and inner cylindrical portion of a cylindrical piece from each other and remove a bottom from the inner cylindrical portion by punching as a single step. A fixed die assem...
05/23/2000
6049983Method for producing a sintered porous bearing and the sintered porous bearing
A cylindrical sintered material is placed in a cavity composed of die, a core disposed in the center of the die, and a pair of upper and lower punches provided within the die and compressed by the upper and lower punches. A gap is provided between an inte...
04/18/2000
5878495Method of manufacturing a dynamic groove bearing by means of a metal-removing tool, and data storage unit provided with such a dynamic groove bearing
A method of manufacturing a dynamic groove bearing having parts rotatable relative to one another. The bearing parts include cooperating bearing surfaces and a pattern of grooves by means of a metal-removing tool. A first bearing part is fastened to a rot...
03/09/1999
5787579Method of manufacturing dynamic pressure bearing having large load-carrying capacity and preventing damage of opposite surface
A dynamic pressure bearing has a large load-carrying capacity, and a ridge portion defined between adjacent grooves is prevented from damaging an opposite surface. The bearing includes an axial bearing surface having dynamic pressure generating grooves fo...
08/04/1998
5772336Sliding bearing and a method for mounting same
A method for mounting a sliding bearing comprises the steps of holding a position different in an axial direction from that of a shaft sliding portion of the bearing by a bearing holding member, inserting a sizing bar having almost the same outer diameter...
06/30/1998
5274921Forming method of bushing with outer sliding surface
A bushing having an outer sliding surface is produced by a die forming method without machining. A crowning shape is provided to the outer surface so that the outer diameter of the bushing is smaller at its opposite longitudinal ends, and increases progre...
01/04/1994
5199170Manufacturing method of half-split bearings
This invention pertains to a method of manufacturing a half-split bearing, comprising the steps of: providing a blank having a width corresponding to a width of a final said half split bearing: first bending opposite ends of the blank by a first punch and...
04/06/1993
5174015Apparatus for manufacturing cylindrical slide bearing
There is disclosed an apparatus for manufacturing a cylindrical slide bearing. The apparatus comprises a belt conveyer for conveying a U-shaped semiprocessed product, a press unit composed of a punch and a die confronting each other and respectively havin...
12/29/1992
4934035Method for producing friction bearing parts, in successive processing steps from ribbon-like composite laminate strip material
Method and machine for producing friction bearing shells from ribbon-shaped composite laminate material, wherein the composite laminate material is fed and processed in successive stages at a multiplicity of successive stations until the shells are finish...
06/19/1990
4907626Wrapped bush having identical joint portions in ends joined at joint
A wrapped bush having its ends joined at a joint. First and second joint portions are formed in the corresponding end portions of the bush that are to be joined at the joint, and they each have at least one pair consisting of a recess and a projection. Th...
03/13/1990
4660401Apparatus for producing bearings in the form of press worked bush
An useful method of producing a lot of bearings in the form of a press worked bush is initiated with production of blanks having four corner edges chamfered. In the notch forming and cutting die section comprising upper and lower die halves a strip of met...
04/28/1987
4351175Method of manufacturing an arc-like formed product and equipment for carrying out the method
An arc-like formed product, such as bearing metal, is manufactured from a strip of sheet metal, by introducing the metal strip in a tangential direction to a cylindrical forming surface of a die, bending and rolling the metal strip along the forming surfa...
09/28/1982
4309890Method of forming a cylindrical member
A strip material is subjected to an end bending step, and subsequently the bent ends of the strip material, namely, those portions of the strip material which are located adjacent to its abutting ends, are pre-coined to increase the accuracy in the region...
01/12/1982
4083613Retainer for resiliently loading a bearing
A retainer for resiliently applying a preload force to a bearing assembly rotatably supporting a shaft has a bore through which the shaft extends and is assembled from a plurality of separable sections. Formed in the wall of the bore are circumferential g...
04/11/1978
4054999Adjusting process for bearings
A shaft is confined within a housing by two indirectly mounted tapered roller bearings, and these bearings are adjusted by applying opposed axial forces to their cups, the spacing between which is dependent on the thickness of a deformable spacer located ...
10/25/1977
4048703Collar sleeves and process and tool for the manufacture thereof
Collar sleeves lined with bearing material are manufactured by axially upsetting a prepared cylindrical sleeve in a die assembly tool that permits and controls axial thickening of the sleeve wall in the region of the desired collar....
09/20/1977
 
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