Method and device for coating adhesive surfaces of fixing...

Details Method and device for coating adhesive surfaces of fixing... Method and device for coating adhesive surfaces of fixing...

2004-07-09

2009-06-09

Parker, Frederick J (Department: 1792)

Coating processes

Solid particles or fibers applied

Localized different areas produced

C427S208200, C427S370000, C118S101000

Reexamination Certificate

active

07544385

ABSTRACT:
The invention relates to a method for coating adhesive surfaces of fixing elements with a hot-melt adhesive, and to a device for carrying out said coating method. Base surfaces (5) of recesses (2) are formed by tappets (6), whereby the lateral walls thereof are displacably guided in the recesses (2). A displaceable container (9) which is used to fill up the adhesive powder in the recesses (2) is arranged next to the recesses (2). The side edges (10) of the container (9) cover a working plate (1). A slit (11) which is used to receive the securing element (4) is arranged on the other side of the recesses (2), said slit being provided with continuous holes (12) for the tappets (6). A pressure stamp (13) provided with a pressure plate (14) which is lowered onto the securing element (4) is arranged over the recesses (2). A heating station (15) which is used to heat the securing element prior to heating the recesses (2) to the desired heating temperature is arranged at a distance from the slits (11).

REFERENCES:
patent: 4262038 (1981-04-01), Wallace
patent: 4746554 (1988-05-01), Ecer
patent: 5756185 (1998-05-01), Lesser
patent: 6083558 (2000-07-01), Bremont
patent: 4402550 (1995-08-01), None
patent: WO 98/18612 (1998-05-01), None

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