Supports – Pipe or cable
Reexamination Certificate
1998-09-18
2001-02-06
King, Anita M. (Department: 3632)
Supports
Pipe or cable
C248S074100
Reexamination Certificate
active
06182930
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a package piece half for a cable lead-through with a frame, said packing piece half forming, together with another packing piece half, an essentially parallellepipedic packing piece or pieces essentially filling the space in the frame, said packing piece half being provided with a cavity which, together with a corresponding cavity in the other packing piece half, forms a through-channel for a cable, a wire or the like, the size of said channel being adapted to the dimension of the cable, wire or the like in question.
2. Description of the Related Art
Packing pieces consisting of two packing piece halves for use in a cable lead-through are well known. The packing pieces are dimensioned in accordance with a module system which makes it possible to fill the space in the frame in a suitable manner, the packing pieces or at least some of them being provided with through-channels for cables, wires or the like. These known packing pieces or packing piece halves are made of a material which is somewhat elastic but in order to provide a good seal about the cable or wire in question, a packing piece must be selected with a channel of the correct dimension. This means that the packing piece halves must be made with a great number of different channel dimensions, in order to achieve a good seal against cables and wires of various dimensions. For small users with only limited stocks, this can mean that the desired packing piece will not always be available.
SUMMARY OF THE INVENTION
In view of the above, there is a need for packing pieces or packing piece halves which can be easily adapted to different dimensions of those cables, wires or the like which are to be led through the cable lead-through. This is achieved according to the invention with a packing piece half of the type described by way of introduction which is provided with at least one projecting tab which is so dimensioned that when folded in over the cavity it can be pressed down therein and thereby cover essentially the entire surface of the cavity, to reduce the size of the cavity.
With a packing piece, which is comprised of two packing piece halves according to the invention, it is possible in a simple manner to use the same packing piece for various dimensions of the cable, wire or the like to be lead through the lead-through. This makes stockholding for the small user simpler and less expensive, since a smaller variety of packing piece halves needs to be kept in stock.
Advantageous embodiments of the invention are described in the subclaims.
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Baxter Gwendolyn
King Anita M.
MCT Brattberg Aktiebolag
Pillsbury Madison & Sutro LLP
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