Roll with stress and/or temperature-indicating cover

Details Roll with stress and/or temperature-indicating cover Roll with stress and/or temperature-indicating cover

B - Operations, Transporting

30

B

B30B 3/00 (2006.01) D21F 3/08 (2006.01) D21F 5/02 (2006.01) D21G 1/02 (2006.01)

Patent

CA 2480010

An industrial roll includes: a substantially cylindrical core and a cover overlying the adhesive layer. The cover comprises a polymeric top stock layer. The top stock layer comprises a mixture of a polymeric material and at least one of a piezochromic material and a thermochromic material. In this configuration, the pressure and/or temperature experienced by the roll cover at any location thereon can be determined visually, without the need for external equipment.

Un cylindre industriel comprend: un noyau sensiblement cylindrique et une enveloppe recouvrant la couche adhésive. Cette enveloppe comprend une couche supérieure en polymère. Cette couche supérieure comprend un mélange de matériau polymère et au moins un matériau piezochromique et un matériau thermochromique. Dans cet agencement, la pression et/ou la température enregistrée par cette enveloppe de cylindre à n'importe quel endroit de celui-ci peuvent être déterminées visuellement, sans l'aide d'un matériel externe.

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