Method and apparatus for effecting polymerisation by heating...

B - Operations – Transporting – 29 – C

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B29C 65/48 (2006.01) B29C 65/00 (2006.01) B29C 65/02 (2006.01) B29C 65/18 (2006.01) B29C 65/54 (2006.01)

Patent

CA 2018717

A method and apparatus is described for polymerisation of adhesive interposed between two superimposed elements, in particular the outer and inner plastics material panels of a motor vehicle body door element; two superimposed elements are clamped, around respective portions thereof between which an adhesive substance is interposed, between respective regions of a mould and a presser device which match the profile of the said portions and are provided with internal heating devices; the heating regions of the mould are rigidly supported thereby whilst the heating regions of the presser device are defined by rods which are independently axially slidable against the action of resilient biasing means; the presser device is compressed with a predetermined pressure against the mould and, simultaneously, heat is introduced in a differentiated manner from region to region by the internal heating devices.

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