Method of manufacturing discontinuous pattern on a support mater

Details Method of manufacturing discontinuous pattern on a support mater Method of manufacturing discontinuous pattern on a support mater

1991-11-18

1993-01-05

Simmons, David A.

Coating processes

Transfer or copy sheet making

4272086, 4272088, 156247, 156234, 156327, 106285, B41M 312, B32B 3100

Patent

active

051769395

ABSTRACT:
Discontinuous transferable adhesive layers have been proposed for manufacture by printing or by coating and subsequent stripping of a matrix to leave a plurality of individual areas of adhesive. Such processes are slow and difficult to effect leading to increased cost. According to the invention, a coating composition is continuously coated on to a release substrate, the composition and drying thereof being selected that, at the end of drying, the adhesive composition is present as a plurality of discrete areas. This may be effected, e.g. by coating an emulsion and drying down appropriately.

REFERENCES:
patent: 4331718 (1982-05-01), Gleichechagen et al.
patent: 4588762 (1986-05-01), Mruk et al.
patent: 4684557 (1987-08-01), Pennace et al.

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