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| Number | Title | Issue Date |
| 7363791 | Rotary stamping apparatus and method of forming sheet metal A rotary stamping apparatus for forming moving sheet metal and having a die assembly moveable forward and backward along a linear path, with upper and lower dies on respective sides of the sheet metal, the dies being closeable on the sheet metal for forming, and, a ... | 04/29/2008 |
| 7353681 | Roll embossing of discrete features A cold rolling process for impressing a pattern on a surface of a sheet metal article involves passing the sheet article through a pair of rolls and engaging a patterning feature with isolated areas of a surface of the sheet article, at a localized pressure to plast... | 04/08/2008 |
| 6449007 | Method for establishing synchronization in head-detachable image sensing system, and image sensing system adopting the method In a system when a camera head and a signal processing unit connected to each other, the signal processing unit inputs a synchronizing signal from an external device, and transmits reference signals, such as a clock signal, horizontal and vertical synchro... | 09/10/2002 |
| 6089071 | Method for controlling press working by means of working wheels A method for controlling press working by means of working wheels is disclosed which is capable of solving problems in conventional punch press working by means of working wheels. The method comprises: in punch press working by means of working wheels, mo... | 07/18/2000 |
| 6000267 | Process for fabrication of rack shaft and fabrication machine therefor A steel pipe having a circular sectional form is retained by a retainer. A rotatable first roller is pressed against an intermediate portion of the steel pipe. In this state, a pusher causes the steel pipe to move axially of the steel pipe. This causes th... | 12/14/1999 |
| 5953947 | Method and apparatus for forming a profile in a wall of a hollow cylindrical work piece Hollow cylindrical blanks of tubular stock are transformed into finished work pieces (3) in a single work stroke with a profiling tool (7) equipped with profiling rollers (30) in one tool section (8) and a die matrix (15) in another tool section (6). The ... | 09/21/1999 |
| 5829297 | Press apparatus for forming gear teeth A gear teeth forming apparatus is used for forming a plurality of gear teeth on an outer circumferential wall of a pressed drum. The apparatus includes a die and a plurality of rotational rollers. A plurality of convex/concave portions are formed in the a... | 11/03/1998 |
| 5722281 | Apparatus for manufacturing an automotive steering rack An automobile steering rack manufacturing apparatus has a material clamp for holding a hollow pipe-like rack material that has a solid core bar inserted therein. A forming roll on the apparatus has an outer periphery with rack teeth formed thereon, while ... | 03/03/1998 |
| 5709118 | Press apparatus for forming gear teeth A gear teeth forming apparatus is used for forming a plurality of gear teeth on an outer circumferential wall of a pressed drum. The apparatus includes a punch and a plurality of rotational rollers. A plurality of convex/concave portions are formed in the... | 01/20/1998 |
| 5622734 | Apparatus for producing a crimp-bonded fibrous cellulosic laminate Disclosed is a process for producing a crimp-bonded fibrous cellulosic laminate. The process includes the steps of: 1) providing at least two superposed plies of a fibrous cellulosic material; 2) passing the superposed plies through a crimp roll arrangeme... | 04/22/1997 |
| 5495664 | Apparatus for making personal computer cards Apparatus for making personal computer cards nests side walls with side channels and end walls with end channels to close an enclosure of a personal computer card and then qualifies the dimensions of the closed enclosure by forming the nested walls and ch... | 03/05/1996 |
| 5028228 | Apparatus for making dental root canal filling points An apparatus for making a dental root canal filling point is provided, wherein provision is made of a rotary member having its outer processing surface in the form of a curved plane in parallel with its axial direction and adapted to be rotated at a prede... | 07/02/1991 |
| 4907436 | Step forging press A forging press comprising a base with a pressure roller mounted in spaced relation to the base and in conjunction with the latter defining a pressure zone, with a mechanism for conveying work between the base and the roller through the zone. The work con... | 03/13/1990 |
| 4608848 | Part forming apparatus by flow forging An apparatus for forming a shaped part from a work includes two members spaced away from one another which define a pressure zone. First and second dies clamp the work therebetween, and a first roller conveyor transports at least one of the dies along a t... | 09/02/1986 |
| 4605232 | Infrared radiation responsive target Novel techniques for scattering infrared radiation are employed to form a diffuse retro-reflector suitable as a target for night viewing by an infrared responsive detector.... | 08/12/1986 |
| 4574607 | Can end seaming tool A can and seaming tool for use in seaming a can end to a can body and having a seaming chuck and a seaming roll, said seaming chuck being adapted to fit said can end while said seaming roll is adapted to simultaneously press and seam the curling portion o... | 03/11/1986 |
| 4514998 | Metal forming machine A machine for embossing comprises a pair of co-operating rollers parallel to but spaced from one another, and two pairs of pinch rollers also parallel to and spaced from one another, one pair of pinch rollers being effective to firmly grip a workpiece bef... | 05/07/1985 |
| 4366693 | Method of producing shaped rolled sections Proposed herein is a method of producing shaped rolled sections, residing in that the blank is subjected to plastic working by being rolled and cold formed in rolls, with the former put in between the blank and the rolls; the former being made as a rod-li... | 01/04/1983 |
