Reinforcement for elastomeric articles
AssigneeDunlop Limited
InventorsPeter L. E. Moring, Ian Biggs
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Abstract
A reinforcement strip for an elastomeric material article such as belting or hose comprising a multiplicity of mutually parallel substantially untwisted filaments which are impregnated such that substantially every filament is coated by a matrix material providing a peel strength between filaments of at least 3.15 KN/m. The matrix material may be a plastisol e.g. pvc (polyvinyl chloride) and dry bonding agents are preferably incorporated. Belting and a method of manufacture are included in the invention.
Claims48
A conveyor belt reinforced by a reinforcement strip comprising a multiplicity of closely-packed mutually parallel filaments extending in the direction of the length of the conveyor belt, said filaments being arranged in a two-dimensional array and embedded in a matrix of flexible polymeric material which coats and bonds to substantially each individual filament and provides a peel-adhesion of at least 3.15 KN/m when tested as defined herein, said matrix of flexible polymeric material prior to coating and bonding to said filaments having a viscosity of less than 20,000 centipoises measured as defined herein and a tensile strength of at least 10 MN/m.sup.2 in the assembled strip.
Dependencies are inferred from the claim text.