B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
113/1
B21D 53/86 (2006.01) B21D 53/88 (2006.01) B29C 63/02 (2006.01) B29C 63/22 (2006.01) B62D 25/06 (2006.01) B62D 65/02 (2006.01)
Patent
CA 1143611
ABSTRACT Power-operated apparatus is provided for applying roof- top material such as vinyl, plastic, leather or the like, directly to an automobile roof or to a rooftop form. The ap- paratus includes a plurality of clamping brackets for respec- tively clamping a rooftop material blank at spaced-apart locations thereon while it is on the rooftop or form. Each clamping bracket is coupled to fluid-actuated cylinders, which are in turn coupled to fluid supply and control means for applying a pulling force on the clamping brackets and tensioning the rooftop material blank for seating it into the desired shape and position on the rooftop or form. All the clamping means are pulled simultaneously to maintain the forces on the rooftop material blank in equilibrium. If the rooftop material blank is applied directly to the vehicle roof, cement is first applied to the rear surface of the material blank and to the vehicle roof. If the rooftop material blank is being applied to a form, it is first coated with a thermosetting material and the form is preheated for activating the thermosetting material. The seated and shaped blank is held on the form until the thermosetting material has set so that the blank retains the desired shape. A system is also disclosed for mass production of preshaped rooftop material blanks, wherein several forms are mounted on a turntable-type conveyor for carrying them through several stations for heating the forms, applying and tensioning the material blanks, curing the thermosetting resin and remov- ing and trimming the shaped material blank.
327544
Hewitt Neville S.
Warhol John G.
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