Butt-weldable conveyor belt

Details Butt-weldable conveyor belt Butt-weldable conveyor belt

2007-09-11

2007-09-11

Crawford, Gene O. (Department: 3651)

Conveyors: power-driven

Conveyor section

Endless conveyor

C198S844100, C198S846000

Reexamination Certificate

active

10528098

ABSTRACT:
The invention relates to conveyor belts, which have a laminate consisting of: i) a textile ply (1) with a first ply surface (11) and with a second ply surface (12); ii) a first synthetic material ply (2), which adheres to the first ply surface (11), is made of a thermoplastic material having a creep resistance vkof no greater than 0.005 at 30° C., and which contains at least 70% by weight of a thermoplastic having a creep resistance vkof no greater than 0.005 at 30° C.; and iii) a second synthetic material ply (3), which adheres to the second ply surface (12), is made of a thermoplastic material having a creep resistance vkof no greater than 0.005 at 30° C., and which contains at least 70% by weight of a thermoplastic having a creep resistance vkof no greater than 0.005 at 30° C., with the provision that the quotient rvof formula (I):rv=VB⁢ρTGT-1,wherein VBrepresents the surface volume of the laminate, ρTrepresents the density, and GTrepresents the weight per unit area of the textile ply (1), results in a value ranging from 5 to 25. These conveyor belts can be joined to form endless conveyor belts via butt end connections.

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Saechtling, “Kunststoff Taschenbuch”, 27th edition, chapter 3.2.7.2., pp. 17-19, Hanser Publishing, Munich, Germany.

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