Rotary edge grip system

B - Operations – Transporting – 21 – D

Patent

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Details

B21D 31/04 (2006.01) B21D 43/12 (2006.01)

Patent

CA 2291006

An apparatus for gripping, guiding and transporting opposite longitudinal side edges (10) of slit, deformable strip (12) for forming expanded mesh sheet. One chain (22) of each of two pairs of opposed endless chains (21, 22) has a longitudinal recess (36) adjacent a longitudinal planar side edge of the strip (12) for receiving the planar edge (10) of the strip (12) therein and the opposed chain (21) of each of said pairs has a plurality of equispaced sharp projections (32) for penetrating the longitudinal planar side edge (10) of the strip (12) whereby the said edge (10) is effectively gripped between the opposed chains (21, 22) during expansion.

L'invention concerne un appareil de préhension, de guidage et de transport de bords latéraux (10) longitudinaux opposés de bande (12) découpée et déformable pour la formation d'une tôle à mailles étirée. Une chaîne (22) de chacune des deux paires de chaînes (21, 22) opposées sans fin présente un évidement longitudinal (36) adjacent à un bord latéral plat et longitudinal de la bande (12) dans lequel se loge le bord plan (10) de la bande (12) et la chaîne opposée (21) de chacune desdites paires présente une pluralité de saillies pointues équidistantes (32) destinées à pénétrer dans le bord latéral (10) plan et longitudinal de la bande (12), ledit bord (10) étant saisi de manière efficace entre les chaînes opposées (21, 22) pendant l'expansion

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