Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Automatic and/or material-triggered control
Patent
1980-06-27
1984-12-25
Boland, Lois E.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Automatic and/or material-triggered control
156500, 156359, 156366, 156494, 156499, 156475, 156 71, 156212, 156224, 156229, 156245, 156267, 156312, 264 32, 264161, 264274, 264275, 264292, 264264, 264257, 264294, 264324, 425143, 425160, 425340, 425383, 425502, 296 31P, 296210, B32B 3104, B60J 700
Patent
active
044902050
ABSTRACT:
Apparatus is provided for preforming automobile rooftop coverings made of flexible sheets of vinyl and the like. The flexible material is treated with a thermosetting composition and then applied to an automobile rooftop form. Pneumatic tensioning means are attached to the edges of the material at a plurality of spaced-apart points to tension it over the form to a predetermined orientation and shape while maintaining the forces on the material substantially in equilibrium. The material is heated to set the thermosetting composition. Clamping means lightly engage the material to hold it in the predetermined shape until the setting temperature is reached and then firmly engage it to form maginal flanges thereon. The shaped material is then removed from the form by a vacuum carrier and then cooled and trimmed in the carrier.
A pressure-sensitive adhesive and release liner may also be applied to the material so that after it is shaped it can be directly adhesively secured to an automobile rooftop. Systems including plural forms and a discharge carrier movable among the forms for removing the shaped material therefrom to a discharge position, and a carrousel arrangement of a plurality of forms movable on a conveyor through a plurality of processing stations are also disclosed.
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patent: 4217079 (1980-08-01), Smith et al.
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