Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1994-02-22
1996-12-31
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
1563046, 1563047, B29C 6500
Patent
active
055890270
ABSTRACT:
Bordered and custom fabricated rugs are formed by initially bonding carpet segments together along abutting edges, using a high temperature hot melt adhesive. Preferably a latex coated material is then bonded to the backing of the adjoined carpet segments using a second lower temperature hot melt adhesive. A reinforcing mesh layer is preferably bonded to and between a rug backing and the carpet backing. The apparatus used to bond the rug backing to the carpet backing includes two opposed endless belts, moving along parallel runs at the same speed, which capture the carpet sections and the backing between them and carry the assembly first through a heating section then through a cooling section as pressure is applied to force the carpet segments against the rug backing into engagement with the adhesive. The heating section melts the low temperature adhesive, which then flows under pressure, bonding the segments together. The heating section does not, however, affect the high temperature hot melt adhesive, which holds the carpet segments together during the heating stages and prevents edge separation under pressure. The seams of the resulting rugs are remarkably resistant to separation.
REFERENCES:
patent: 2705693 (1955-04-01), Dildilian et al.
patent: 4406719 (1983-09-01), Mitsumoto et al.
patent: 4582554 (1986-04-01), Bell et al.
Doll Dennis R.
Pool Stanton J.
Thornton John
American Rug Craftsmen, Inc.
Sells J.
Simmons David A.
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