Buckles – buttons – clasps – etc. – Cord and rope holders
Reexamination Certificate
1999-08-12
2001-07-24
Sakran, Victor N. (Department: 3626)
Buckles, buttons, clasps, etc.
Cord and rope holders
C024S13500K, C024S13500K, C411S070000
Reexamination Certificate
active
06263547
ABSTRACT:
TECHNICAL FIELD
The present invention refers to a clamping joint for interconnection of a clamping lock with at least one wire, which is insertable therein, and which clamping lock after compression under plastic deformation in a clamping tool seizes and arrests the wire in the lock. Furthermore the invention refers to a method for producing such a clamping joint.
BACKGROUND OF THE INVENTION
Clamping joints of the above described type are mostly used for interconnection of two steel wire parts, e.g. for forming a loop or the like. Nowadays ropes of steel and natural/synthetical fibres are often used, and an example of such a combined wire is a steel wire having easily seizable synthetic fibres. As examples of possible applications can be mentioned manropes, safety ropes, protective nets, playing implements, fishing tools, stage implements, tools for sports and leisure time, etcetera.
TECHNICAL PROBLEM
Joints for this purpose are known and incorporate usually two parts, which are clamped together by means of screws. An essential drawback in the above described joint is that the compression of the sleeve is difficult to make in a controlled manner, thus that the method always results in a correct interconnection without risk for sliding. A small mutual sliding between two ropes may for instance result in that the mesh size of a protective net is altered, thus that it will not fulfill its protective function. Each joint must therefore be carefully tested in respect of strength. In such joints that is low and non-uniform.
PURPOSE OF THE INVENTION
The purpose of the present invention is to provide a clamping joint, which in spite of use of inexpensive structural materials, gives possibility of providing correct interconnections between a clamping lock and one or more wires in a reproductive manner, and which interconnections have a high tensile strength. Furthermore the clamping lock can be positioned with a high degree of accuracy on the wire/wires and be effectively arrested in this position.
THE SOLUTION
These tasks have been solved in that at least one locking member under clamping of the wire against the clamping lock is embedded in the wire and connected to the clamping lock.
The method according to the invention is characterized therein that prior to the compression, at least one locking member is introduced through an opening in the lock and is pressed or screwed into the wire, whereupon the sleeve is subjected to said compression, whereby the material of the lock flows into and adapts itself to the shape of the wire and at least partially to the locking member.
REFERENCES:
patent: 166082 (1875-07-01), Drinkhouse
patent: 526123 (1894-09-01), Boots et al.
patent: 3897664 (1975-08-01), Bogese, II
patent: 4177542 (1979-12-01), Denney
patent: 4302124 (1981-11-01), Wilks et al.
patent: 4342477 (1982-08-01), McClure
patent: 4771516 (1988-09-01), Foth
patent: 4955750 (1990-09-01), Goran
patent: 5330473 (1994-07-01), Howland
patent: 0623406 (1933-07-01), None
patent: 0456052 (1913-08-01), None
patent: PCT/GB94/02025 (1994-09-01), None
Sakran Victor N.
Samuels , Gauthier & Stevens, LLP
Talurit AB
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