C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 7/02 (2006.01) B32B 1/06 (2006.01) B32B 33/00 (2006.01) C09J 7/00 (2006.01) B65D 85/66 (2006.01)
Patent
CA 2383533
A roll of tape for use in an automatic tape gun (10) that includes an adhesive layer (14) having a liner-side surface and an exposed-side surface and a release-liner (16) adhering to the liner-side surface of the adhesive layer (14). The adhesive-layer (14) thickness and the release-liner (16) are selected such that the ratio of tape length to roll diameter on a standard 1.375 in. roll core, where the tape roll has a standard outer diameter of approximately 3.1875 in., is substantially greater than that about 400:1, whereby tape of extended length is usable on standard tape guns (10) to minimize tape-roll changeovers. Version of tape having length to roll diameter ratios greater than about 500:1 are also disclosed along with length to roll diameter ratios greater than 800:1 for tape rolls having a standard outer diameter of approximately 4.3125 inches.
L'invention porte sur un rouleau de ruban adhésif pour pistolet distributeur (10) automatique comportant une couche adhésive (14) présentant une face doublée et une couche antiadhésion (16) adhérant à la face doublée (14). L'épaisseur de la couche adhésive (14) et celle de la couche antiadhésion (16) sont choisis tels que le rapport de la longueur du ruban sur le diamètre du rouleau soit sensiblement supérieur à environ 400/1 (pour un noyau usuel de rouleau de 1,375 pouce et un diamètre usuel de rouleau d'environ 3,1875 pouces). Le rouleau de longueur accrue qui se pose sur des pistolets usuels (10) réduit l'intervalle entre remplacements du rouleau. L'invention porte également sur des rubans présentant un rapport longueur/diamètre du rouleau supérieur à 500/1 et supérieur à 800/1 et dont le diamètre extérieur reste d'environ 4,3125 pouces.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Specialty Tapes Llc
Werner Richard S.
LandOfFree
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