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Patent No. 5443036

Method of exercising a cat

A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.

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Class 29/888.451 - Including forging


Subclass of Class 29 - Metal working
Definition: Process wherein the manufactured article is shaped or worked
No. of patents: 11
Last issue date: 02/06/2007


NumberTitleIssue Date
6903302Method for manufacturing valve seat using laser cladding process
A method for manufacturing valve seats using a laser cladding process is provided that includes forming a casting material on which the valve seats are to be formed; fabricating a valve seat target position on which laser cladding will be performed, the valve seat t...
06/07/2005
6385847Seat faced engine valves and method of making seat faced engine valves
An improved process 30 for making an engine poppet valve 10 provides an unfinished poppet valve 10 with an initial diameter (d1) of a valve head 22 and an initial thickness (t1) of an interface 56 between a seat facing groove 54 and ...
05/14/2002
6354001Method of manufacturing a Ti alloy poppet value
A bar material is made of an (଱+ଲ) or a near ଱ Ti alloy which comprises a regular ଱ structure, and the end thereof is heated at a temperature above its ଲ transformation point by an electric forging device to form an enlarged ...
03/12/2002
6161285Method for manufacturing a poppet valve from a γ-TiAl base alloy
A method for the manufacture of a poppet valve made of a γ-TiAl base alloy for internal combustion engines. In this method, the γ-TiAl blank is first subjected to primary forming, for example, by extrusion, in such a manner that thereafter it has approx...
12/19/2000
5778534Method of making exhaust valves for use in automobiles
A method of making an exhaust valve for use in an automobile is disclosed. The exhaust valve is manufactured by forging Ti-6Al-2Sn-4Zr-2Mo-0.1Si alloy at a temperature of 1000°-1200° C., and annealing the forged alloy by cooling after maintaining it at ...
07/14/1998
5257453Process for making exhaust valves
A method of making work-hardened poppet exhaust valves for internal combustion engines comprises the steps of: providing a solutioned work-hardenable austenitic stainless steel coil or bar stock in which chromium is present in the range of 13%-25% by weig...
11/02/1993
5056219Method of manufacturing hollow engine valve
A method of manufacturing a hollow engine valve includes the steps of inserting a core of free-cuting metal into a pipe material of heat-resistant steel to provide a shaping stock, shaping the shaping stock into a rough valve profile of a mushroom shape, ...
10/15/1991
5054195Process for the production of a valve
A process for the production of a valve, in particular a charge cycle valve of an internal-combustion engine, having a separately produced hollow valve shank with a widening shank section arranged at the valve-side end, which is connected to a valve disk ...
10/08/1991
4926534Method for manufacturing a poppet valve head
A poppet valve head with its stem, is formed in a female finish forming die cooperating with two male die members. A cylindrical raw blank, which has been heated is cut to length. An extrusion pressing or molding forms the shaft region and widened shaft r...
05/22/1990
4073474Poppet valve
An upset-forged poppet valve wherein at least the head portion and a part of the neck is made of a high temperature super alloy while the remaining portion is made of a conventional valve steel, said two materials being connected by friction welding befor...
02/14/1978
 
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