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Document Title |
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8074438 |
Link chain
A link chain comprises a chain link including two shank portions and two arc portions connecting the two shank portions. The two shank portions and the two arc portions define an interior space of...
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7594385 |
Method of assembling a metal bracelet
The present invention relates to a method of assembling a metal bracelet (1) comprising two rows (2, 3) of outer elements assembled in pairs by pins (5) forming rigid links and at least one row (4)...
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6006514 |
Link-shape and chain link assembly method
Link for chain having an extent about an aperture defines a section which is wider near the inside with the section being usually concave outward on each side. A junction link comprises a C member...
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5966924 |
Connecting link for steel conveyer chain
A chain connecting link has a C-shape main part having a pair of ends with confronting and spaced end surfaces and a filler part engaged between the ends and having a pair of oppositely directed...
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5801351 |
Method for welding hinge pins onto elements intended to form hinged links of a wristlet
The invention concerns a method for welding hinge pins onto links each formed of one or more elements, the links being connected to each other by means of said hinge pins arranged in passages...
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5778655 |
Chain link and a method for the manufacture thereof
A chain link (1) consists of two loops (2a, 2b) and two sides (3a, 3b), and a post (5) welded in between the chain link's sides (3a, 3b). The post (5) has sections (7) of reduced thickness against...
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5542245 |
Compressed jewelry chain and method of making same
This disclosure relates primarily to the making of compressed single and double arrow jewelry chains, of precious or non-precious metal, and other unique surface designs, from open link chains...
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5469697 |
Stud link chain
The present invention provides a die forged stud link chain which comprises substantially θ-shaped complete stud links (1) (FIG. 2) formed by means of die forging and substantially ε- shaped s...
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5327715 |
Aluminum alloy chain and method of making same
An aluminum alloy chain is formed from welded loops of aluminum rod that constitute the individual links of the chain. During welding, a weld bead is produced by fusing opposed ends of bent...
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5133179 |
Junction link and method for forming
The repair link is a C-shaped member and a junction member, the junction member having enlarged tongues with narrower roots and the C shaped member is complementary. Welding to hold the junction...
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5058252 |
Apparatus and method for finishing chain assembly
A method and apparatus for opening the bolt of a fastener, inserting an end cap D-ring, or quality tag. The method and apparatus comprises using a first clamp configured to receive therein a...
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4769884 |
Robotic apparatus for automatically assembling chains
A robotic chain assembly which uses two clamps, a robot gripper and a computer with auxiliary stations. The assembly both measures and cuts the chain, secures fasteners to the ends of the chain and...
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4660611 |
Tire chain
An improved passenger car tire chain employing heat treated medium carbon steel is disclosed. The improved tire chain is approximately twice as durable as that presently furnished to meet...
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4658576 |
Device for the parallel automatic feeding of ornamental chains, in particular for the production of paired chains
A device for feeding in parallel of ornamental chains to an operative unit of a machine suitable for realizing the bonding of the chains, including a mechanism for the transport of the chains...
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4644743 |
Machine for the production of ornamental chains, in particular of the paired type
A machine for the production of paired chains including a feeding assembly for the chains, a welding assembly of the chains and a take-up device for the produced chain. The feeding assembly for the...
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4569472 |
Apparatus for automatically soldering jewelry chains
An apparatus for automatically soldering flexible jewelry chains to certain parts such as locks or ornamental members wherein the parts to be soldered to the chain are retained by a retaining...
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4428781 |
Welded steel chain
A steel with good weldability and hardenability, a yield point of at least 600 MPa, a rupture limit of at least 900 MPa at room temperature and an impact toughness of at least 40 Joule at -20° C., ...
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4403639 |
Stud arrangement on chains for motor vehicles, and a method of producing such chains
A stud arrangement on casehardened studded chains for motor vehicles, wherein the studs consist of a steel body which is permanently welded to a chain link and provided with a centrally disposed...
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4349060 |
Means for improving the surface grip of a tire of a vehicle and a method for manufacturing such means
The present invention relates to an anti-skid device for improving the traction of a wheel on an automotive vehicle on the ground. The invention relates also to a method of producing such anti-skid...
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4275555 |
Machine 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...
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4267421 |
Apparatus for the successive welding of C-shaped, pre-bent, interlinked chain links
Apparatus for the successive welding of C-shaped, pre-bent interlinked chain links forming a chain. The apparatus comprises a saddle for supporting a chain link to be welded, the saddle having a...
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4211068 |
Chain welding machine
A chain welding machine has a first cam-operated linkage for rapidly moving psetting dies into and away from the ends of a link to be welded and a second hydromechanical linkage for applying...
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4164118 |
Apparatus for positioning the links of a length of chain
A device for positioning the individual links of a length of chain having nks to be welded is disclosed. The device is used in connection with a chain welding machine wherein a length of chain is...
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4133999 |
Apparatus for the successive welding of consecutive chain links
For the successive welding of the joints of consecutive links forming a link chain, the chain is advanced in a chain welding machine to bring a link to be welded directly below a welding position;...
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4067188 |
Heavy-duty offshore stud chain link
A heavy-duty chain link which constitutes a chain for use with vessels and the like. The link is fitted with a stud across the center thereof, which tends to prevent stretching and kinking of the...
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4012618 |
Method and apparatus for the successive welding of consecutive chain links
For the successive welding of the joints of consecutive links forming a link chain, the chain is advanced in a chain welding machine to bring a link to be welded directly below a welding position;...
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3977180 |
Automatic chain manufacturing system
An automated system for producing chain wherein individual pins are fed one-at-a-time to a heating station. The pins are heated in stages at said station to a temperature suitable for bending of...
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3969949 |
Fillerless welded chain
A roller chain including a series of inner links each formed by a plurality of parallel inner link plates connected by a pair of hollow bushes. The inner links are connected by a series of outer...
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3959965 |
Method and apparatus for welding a link chain
For welding, in the course of a single pass, a link chain of indeterminate length formed of C-shaped, serially interconnected, alternating first and second links, the chain is guided, in a welding...
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3934407 |
Method of and apparatus for producing particularly high-strength chains
Method of and apparatus for electrically butt-welding high-strength chains. Previously bent and interengaged chain links are passed through a chain welding machine, each chain link in succession...
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3831257 |
METHOD AND APPARATUS FOR ASSEMBLING WELDED TRACK HINGE JOINTS
A method and apparatus for rapidly and efficiently welding track hinge joints wherein the assembled track hinge joint is supported in a suitable fixture and welding guns are supported for movement...
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3701253 |
DEVICE FOR MOVING CHAIN LINKS IN A RESISTANCE WELDING MACHINE
A device is used for moving bent C-shaped links joined into a continuous chain to be welded in a resistance welding machine. The device has an inlet guide and an outlet guide, consisting, for...
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3552118 |
CHAIN MAKING
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3495399 |
APPARATUS FOR WELDING A CHAIN LINK
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RE13371 |
Title is not available
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RE06589 |
Title is not available
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3389552 |
Automatic chain welding machine
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3127757 |
Finger ring of arcuate members snapfitted together prior to soldering
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2893201 |
Link made up of two parts joined by an upsetting operation
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2824420 |
Apparatus for welding a chain link and thereafter trimming the flash from the weld
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2820874 |
Manufacture of chains
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