Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1985-06-26
1987-12-29
Czaja, Donald E.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156276, 156291, 156292, 156301, 156324, B32B 3106, B32B 3108, B32B 3112
Patent
active
047159189
ABSTRACT:
The invention is generally accomplished by providing a roll having cavities suitable for retaining small quantities of particulate material. The roll further is adapted to be rotated such that the particulate material is deposited onto a web in discrete areas. These areas correspond to the depressions on the roll. The apparatus and method of the invention further provides in its preferred form a roll applicator device for adhesive having a series of lands and valleys wherein the lands correspond to the areas between the discrete particulate material. The applicator roll provides adhesive on the land areas that is transferred to a web of material which is brought into contact with the substrate bearing the discrete deposits of particulate material and sealed thereto. There is thereby provided areas of discrete particulate material securely separated by the adhesive connected webs.
In a preferred embodiment of the invention the particles are superabsorbent material and the composite web containing discrete areas of superabsorbent material is utilized in formation of an absorbent structure such as a diaper, incontinent garment or feminine pad.
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Czaja Donald E.
Davis J.
Duggan Jeremiah J.
Kimberly-Clark Corporation
Leipold Paul A.
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