Coating processes – Rumbling or tumbling
Reexamination Certificate
2008-04-08
2008-04-08
Parker, Fred J. (Department: 1792)
Coating processes
Rumbling or tumbling
C427S011000, C427S346000, C427S207100
Reexamination Certificate
active
07354621
ABSTRACT:
In a method for forming an adhesive layer on the surface of a workpiece before the formation of a coating film containing a powder on the workpiece, the present invention provides a method for forming the adhesive layer having a desired thickness. This object is achieved by the following method: An adhesive layer formation medium m1coated with an adhesive material is made to collide with a workpiece W so that the adhesive material is transferred from the adhesive layer formation medium m1to the workpiece W and forms an adhesive layer on the workpiece. An adhesive layer having a desired thickness can be formed on the workpiece by regulating the thickness of the adhesive material applied to the surface of the adhesive layer formation medium (i.e. the amount of the adhesive material held by a single adhesive layer formation medium). This enables the thickness of the powder coating as the final product to be controlled as desired.
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Handbook of Pressure Sensitive Adhesive Technology, D. Santas, pp. 699-700.
Itatani Osamu
Sagawa Masato
Intermetallics Co., Ltd.
Oliff & Berridg,e PLC
Parker Fred J.
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