B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 33/00 (2006.01) B01D 29/01 (2006.01) B01D 29/05 (2006.01) B01D 29/07 (2006.01) B01D 33/03 (2006.01) B07B 1/46 (2006.01) B07B 1/48 (2006.01) B07B 1/49 (2006.01)
Patent
CA 2419155
A screen assembly for a vibratory shaker, the screen assembly including at least two screening members, and the at least two screen members connected by sewing material. In one aspect of such a screen assembly the sewing material is thread in a stitch pattern across the at least two screening members, a pattern of expandable material on and corresponding to the stitch pattern, and the thread passing through holes in the pattern of expandable material, the expandable material expanded within the holes following extraction of a needle therefrom, the needle used to apply the sewing material, to inhibit tearing of either of the at least two screening members between holes.
L'invention concerne un ensemble de tamis pour un tamis vibrant. Cet ensemble comprend au moins deux éléments de tamisage reliés par couture. Selon un aspect de ce type de tamis, la couture est réalisée avec un fil selon un motif de points en travers de ces deux éléments de tamisage, selon un motif permettant l'extension du tissu utilisé et correspondant au motif de points. Le fil passe dans des trous prévus dans le matériau extensible. Le tissu extensible peut s'étendre dans les trous après l'extraction de l'aiguille utilisée pour empêcher l'un quelconque des deux éléments de tamisage de se déchirer entre les trous.
Adams Thomas Cole
Largent David Wayne
Mcclung Guy Lamont III
Schulte David Lee Jr.
Seyffert Kenneth Wayne
Mcfadden Fincham
Varco I/p Inc.
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