Method and apparatus for applying self-adhesive protective sheet

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

Patent

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Details

156212, 156229, 156252, 156256, 156486, 156494, 150166, 280770, 280848, B32B 3100, B60J 1100

Patent

active

059976705

ABSTRACT:
In a method and apparatus for automatically applying self-adhesive protective sheeting to surface parts of vehicle bodies, a specific rectangular piece of protective sheeting in the form of stock roll is grasped on its non-adhesive side, using a robot-controlled tentering frame with suction legs, is drawn off and is cut off. Before the sheeting blank is laid on to the body, in the freely stretched-out state tear-off lines are perforated, preferably from the non-adhesive sheeting side, in the region of accessory parts by means of a perforating device guided along definite contour lines. Thereafter the protective sheeting, which is thus prepared and stretched out so as to be free of creases in the tentering frame, is lowered in the correct position onto the associated part by the handling robot and laid onto the surface part so as to be free of bubbles. The sheetings are subsequently pressed down in a brushing manner under an elastic brushing bar extending over the entire vehicle width. In the region of glued-over gaps in the vehicle body surface, the protective sheeting is severed and the cut edges are pressed down. In the region of accessory parts, protective sheeting parts are drawn off along the perforated tearing lines and openings are thus made in said regions in a manner appropriate for assembly.

REFERENCES:
patent: 4635996 (1987-01-01), Hirose
patent: 5127974 (1992-07-01), Tomiyama et al.
patent: 5280989 (1994-01-01), Castillo
patent: 5294278 (1994-03-01), Matsui et al.
patent: 5601917 (1997-02-01), Matsui et al.
patent: 5747132 (1998-05-01), Matsui et al.
patent: 5820201 (1998-10-01), Jabalee

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