Presses – Binding – Methods
Patent
1997-06-30
1999-02-23
Gerrity, Stephen F.
Presses
Binding
Methods
24 16PB, 100 8, 100 26, 100 29, 100 33PB, 140 932, B65B 2710, B65B 1324, B65D 6310
Patent
active
058733035
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The invention relates to a method for binding bundled objects, in particular pieces of cable, in which a bundle is tightly bound together by at least one binding material. The invention further relates to an associated apparatus as well as a binding material.
In the processing of electrical cables, in certain applications the latter are cut from a roll of cable in pieces having a length of for example between 20 and 200 mm. Both ends of the insulation sheath are removed (stripped) and subsequently the pieces of cable are combined in bundles by hand and packed. Before using these pieces of cable, the bundles are again opened by hand and the pieces of cable are used for electrical connections, for example in circuits or the like.
Binding materials are known, which are made from synthetic material and at one end comprise an eye, into which is inserted the binding material. The binding material is constructed as a cord and has a perforation provided on the periphery over its length. The perforation ensures that when the binding material is tightened around a bundle, it is attached in the eye in the manner of a barb. However, this binding material can only be detached from the bundle with some difficulty and it is not suitable for producing bundles by machine.
SUMMARY OF THE INVENTION
In comparison therewith, it is the object of the present invention to provide a method and a binding material for binding bundled objects, in particular pieces of cable, by which a bundle of elongated objects can be bound together by machine in a simple manner. The invention allows the binding material holding this bundle together to be produced economically, and guarantees that the bundle is held together durably while also being releasable by hand. Furthermore, the binding material bears against the outer periphery of the bundle and has no projecting ends.
This object is achieved by a binding material comprising an opening at one end and another end which is guided through this opening. The end without the opening is first wound around the bundle. Then, tension is applied to the binding material holding the bundle together. Next the end is bent back at the point of the opening, thus forming a folded edge. Finally, in order to produce static friction at this folding edge, the remaining end of the binding material is pressed against the binding material laid around the bundle.
With this method according to the invention, a bundle may be bound very simply and with great operational reliability in an automated manner. In addition, the binding material used in this method can be produced cheaply and after the binding has been completed, it can be released easily by hand.
BRIEF DESCRIPTION OF THE DRAWINGS
Embodiments of the invention as well as further advantages thereof are described in detail hereafter with reference to the drawings, in which:
FIG. 1 is a side view of an apparatus according to the invention for binding a bundle,
FIG. 2 is a view of a supply station with the apparatus according to FIG. 1,
FIG. 3 shows a binding material constructed as an endless sheet strip for the apparatus according to FIG. 1,
FIG. 4 shows the apparatus according to FIG. 1 at the time of insertion of the binding material,
FIG. 5 shows the apparatus at the time of binding a bundle tightly,
FIG. 6 shows the apparatus at the time of folding and cutting-off of the binding material and
FIG. 7 is a partial view of the bundle with the binding material bound around the bundle.
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 shows an apparatus 10 for binding a bundle 11, which is formed from a plurality of pieces of electrical cable 12 laid one beside the other. In this case, the bundle 11 forms a virtually cylindrical shape and is inserted in an opening 14' of the apparatus 10 by a handling arrangement. In principle, objects other than the pieces of electrical cable provided could be bundled, for example synthetic material parts, wires or the like.
The apparatus 10 consists essentially of a stand 15, a guide rail 16 arran
REFERENCES:
patent: 2420498 (1947-05-01), Pojman
patent: 2961785 (1960-11-01), Toepfer
patent: 3072986 (1963-01-01), Lefnaer
patent: 3250209 (1966-05-01), Gage et al.
patent: 3731347 (1973-05-01), Caveney et al.
patent: 4696327 (1987-09-01), Wolcott
patent: 5465659 (1995-11-01), Minen
Hodosy Beat
Hodosy Hans
Fapro Automation AG
Gerrity Stephen F.
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