U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5277148

Wearable Pet Enclosure

An enclosure for small animals which is wearable on the front or back of an animate being.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 59/23 - Cutting and bending


Subclass of Class 59 - Chain, staple, and horseshoe making
Definition: Combined machines for cutting from a bar, rod, or wire sufficient
No. of patents: 12
Last issue date: 04/08/2008


NumberTitleIssue Date
7353665Clasps, interchangeable jewelry pieces, and methods for connecting the same
A clasp for releasably fastening two objects is disclosed. The clasp includes a male member and a female member. The female member includes a displaceable member that is movable between a first position and a second position. In the first position, the displaceable ...
04/08/2008
7310934Method of making one-way chain
One-way chain for an aircraft tie-down, as well as a method of making one-way chain. The method preferably includes the steps of providing an unmodified welded chain having a plurality of welded links; feeding the unmodified chain into an automated shaping machine c...
12/25/2007
6619024Jewelry link forming apparatus
A jewelry link made from square crossectional metal wire has a C-shape when the link is bent within a specially configured clamp over a mandrel, wherein the formed C-shaped links are diamond shaped in cross section. The links further have an outer circumf...
09/16/2003
5775088Jewelry rope chain cutting tool
A semi-solid jewelry chain includes a plurality of generally C-shaped links which links are woven into each other. The jewelry rope chain is made with a cutting tool, which includes an extended blade member having a rounded groove therein with a nesting s...
07/07/1998
5412933Automatic link forming apparatus
A machine is shown for feeding a length of wire to a forming station, cutting and forming the length into a U-shaped element around an arbor, moving the U-shaped element to a presentation position in a channel of a face plate with the free ends of the ele...
05/09/1995
4999989Machine for the production of an ornamental chain of the type formed by "figure-of eight" links
A machine for the production of an ornamental chain of the type formed by so-called "figure-of-eight" links, comprising a slide (23) for transferring a section of wire of prefixed length, folded in a U shape, from a unit (51) for supplying said section of...
03/19/1991
4932203Machine for the production of "bow-type" ornamental chains
A machine for the production of an ornamental chain known as "bow-type" chain, the chain consisting of a sequence of large links, twisted in a figure-of-eight shape and incorporating a smaller link, linked together by smaller links. The machine comprises ...
06/12/1990
4893463Prickle chain device and method of production thereof
A prickle chain wherein each link has two side portions which are joined at one end by a curved bridge portion, the side portions terminating in respective outwardly projecting ends which cross each other and extend in opposite directions, the projections...
01/16/1990
4694644Method and apparatus for producing oval chain links from round wire
A straight wire length is bent against a mandrel into an obtuse V-shape and then into a C-shape at a first station, and against another mandrel into an oval shape at a second station. When making the V-shape bend the leading edge of the wire length is the...
09/22/1987
4680926Process and apparatus for the production of oval chain links from round wire
The chain links are bent in a single bending station, using a single mandrel. Pieces of wire of a given uniform length are bent into a V-shape between a holder and a suitably shaped recess in the mandrel. A wire feed sleeve and a wire receiving sleeve are...
07/21/1987
4275555Machine and a method for constructing a chain having automatically shaped and welded chain links
A machine for constructing a chain of metallic shaped links from a continuous wire including: means for shaping the wire in the form of a cylindrical wire spiral; means for gripping the first free turn of the spiral; means for cutting away the first spira...
06/30/1981
3961474Method and apparatus for the manufacture of chains with round links, having varying mechanical characteristics
A method for producing a link chain in which some of the links have deformation characteristics differing from other links, and apparatus for producing the link chain in which stock material having the different deformation characteristics are sequentiall...
06/08/1976
 
Sign InRegister
Username  
Password   
forgot password?