B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
154/8.11
B29D 23/00 (2006.01)
Patent
CA 1108518
Abstract of the Disclosure The production of hose of vulcanizable elastomeric material by winding tapes around a core in pieces of great length. It comprises the production of tapes of vulcanizable elastomeric material and winding such tapes on bobbins; application of a thin layer of an anti-adhesive on the surface of each tape; assembly of the hose by wrapping the tapes helically around a core of great length, with a controlled relation between the rotary speed of the core and the linear velocity of a carrier carrying one or more bobbins relative to the core in a direction parallel to the axis of the core so as to assure the regularity of the helical winding; thermal treatment of the hose while on the core in a sealed autoclave under heat and pressure; and removal of the hose from the core by applying drag forces to the hose in substantially every increment of its length without local variations in traction and possible elastic deformation impeding the removal.
289720
Granford Manufacturing Inc.
Sim & Mcburney
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