Roll of an adhesive tape having an adhesive layer comprising a structural adhesive and its method of manufacture
Assignee3M Innovative Properties Company
InventorsTomasz P. Wikierak, Pawel M. Malinowski, Marcin J. Paprocki, Elisabeth Cura
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Abstract
A roll of a double-sided adhesive tape wound around a core, with the tape (10) comprising first (5) and second major adhesive surfaces (4) and at least one adhesive layer comprising a structural adhesive (3) providing the second major adhesive surface (4). The first major adhesive surface (5) is protected by a first liner (1); the second major adhesive surface (4) is protected by a second liner (2), and the second liner (2) extends over the two edges (8, 9) of the second major surface to cover at least part of each first (5) and second minor surfaces (6, 7) of the tape (10).
Claims21
Roll of a double-sided adhesive tape wound around a core, said tape comprising first and second major adhesive surfaces and at least one adhesive layer comprising a structural adhesive providing said second major adhesive surface,
- the first major adhesive surface being protected by a first liner;
- the second major adhesive surface being protected by a second liner, and
- the second liner extending over the two edges of the second major surface to cover at least part of each first and second minor surfaces of the tape.
Method of making a roll of a double-sided adhesive tape comprising first and second major adhesive surfaces and at least one adhesive layer comprising a structural adhesive providing said second major adhesive surface, the method comprising the steps of:
- providing said adhesive tape,
- attaching a first liner to the first major surface of the tape,
- attaching a second liner to the second major surface and at least part of each first and second minor surfaces of the tape and
- winding the tape around a core.
(canceled)
Dependencies are inferred from the claim text.