Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate
2007-05-08
2007-05-08
Crispino, Richard (Department: 1733)
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
C156S216000, C156S270000
Reexamination Certificate
active
10491775
ABSTRACT:
The present invention relates to a method of applying a fastener portion10to an absorbent article1, said method comprising in a first alternative (A) the steps of: (i) providing a top sheet2, (ii) placing one or more fastener portions10onto an inner surface2aof the top sheet2so that a fastener user's end12is essentially supported by the top sheet2and a fastener manufacture's end11is essentially adjacent to one of the lateral edges2c,2dof the top sheet2whereby the fastening means15is facing towards the inner surface2aof the top sheet2, (iii) folding around the manufacturer's end11so that it is essentially opposite to the user's end12, and (iv) applying an absorbent core4and a back sheet3onto the top sheet2, whereby the sequence of steps (iii) and (iv) may be exchanged, or in a second alternative (B) (i) providing a back sheet3, (ii) placing one or more fastener portions10onto the outer surface3bof the back sheet3so that a fastener user's end12is essentially supported by the back sheet3and a fastener manufacturer's end12is essentially adjacent to one of the lateral edges3c, 3dof the back sheet3whereby the fastening means15is facing away from the outer surface3bof the back sheet3, (iii) folding over the manufacturer's end11so that it is essentially opposite to the user's end12, and (iv) applying an absorbent core and a top sheet2onto the back sheet3, whereby the sequence of steps (iii) and (iv) may be exchanged.
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Guenther Werner T.
Kourtidis Konstantinos
Petersen Johann F.
Selen Peter
3M Innovative Properties Company
Bond William J.
Crispino Richard
Musser Barbara J.
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