Web reinforced with string-type adhesive and method of manufactu

Details Web reinforced with string-type adhesive and method of manufactu Web reinforced with string-type adhesive and method of manufactu

1981-05-04

1984-06-05

Thibodeau, Paul J.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

156166, 156210, 156310, 156320, 428105, 428112, 428182, B32B 328, B32B 302

Patent

active

044528370

ABSTRACT:
A process of reinforcing a sheetlike substrate by applying a plurality of linear reinforcements comprising a filamentary core having a pre-coating of "hot melt" adhesive to the substrate with at least one of the linear reinforcements applied in a generally serpentine or waveform pattern to provide both in-machine and cross-machine tensile strength and tear resistance. The present invention is also an improved reinforced sheetlike substrate having the linear reinforcements applied thereon in accordance with the process. In one embodiment, adjacent linear reinforcements are applied in an overlapping or interlocking serpentine configuration onto the substrate. In one embodiment of the process, the sheetlike substrate is conducted along a path defined as the in-machine direction while the plurality of linear reinforcing members are fed through a guide member that is reciprocating transversely with respect to the in-machine direction. The temperature of the thermoplastic adhesive is raised above its softening point and then allowed to harden to bond the linear reinforcing members onto the substrate.

REFERENCES:
patent: 958385 (1910-05-01), Fitzgerald
patent: 2076343 (1937-04-01), Humphner
patent: 2772718 (1956-12-01), Magnuson
patent: 2985553 (1961-05-01), Anderson
patent: 3072512 (1963-01-01), Dalle
"Stringking System", H. B. Fuller Co., Packaging Adhesives Division, St. Paul, Minn.

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