A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
154/30.07
A61F 13/58 (2006.01) A61F 13/15 (2006.01) B32B 3/16 (2006.01) B32B 17/10 (2006.01) C09J 5/06 (2006.01)
Patent
CA 1294199
43331CAN3A APPARATUS AND METHOD FOR APPLYING HEAT-SENSITIVE ADHESIVE TAPE TO A WEB MOVING AT HIGH SPEED Abstract of the Disclosure Apparatus and method for applying heat-sensitive adhesive tape, such as frontal diaper tape, of the type having a layer of heat sensitive adhesive material to a web moving at high speed, such as a web of water-resistant material designed for use as the outer layer of disposable diapers. The apparatus comprises a tape-feed wheel for preheating and feeding the tape to the apparatus from a supply of generally continuous tape, and a tape-applying wheel in rolling engagement with the web for applying tape fed to it from the tape-feed wheel to the web. The tape-applying wheel includes vacuum passageways for providing suction through a cylindrical surface of the tape-applying wheel to hold the tape thereon, and a heating mechanism for heating the tape to an elevated temperature at which the heat-sensitive adhesive is tacky and for maintaining the tape at the elevated temperature until it is applied to the web. Successive end portions of the tape are cut against the tape-applying wheel into pieces to be applied to the web, and each successive piece of tape cut from the tape is accelerated by the tape-applying wheel from the relatively slow velocity of the tape-feed wheel to the relatively fast velocity of the web and applied to the web.
605236
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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