B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 51/42 (2006.01) B29C 51/08 (2006.01) B29C 51/16 (2006.01) B29C 63/04 (2006.01) B29C 63/22 (2006.01)
Patent
CA 2201079
A method for forming a curve or curves in a thin solid surface material such as an acrylic sheet material comprising the steps of: a) taking a sheet of solid surface material of a thickness within the range of 1.4mm to 5.9mm; b) placing the sheet in or on an apparatus which includes a heating station comprising a platen or platens and a vacuuming station including a sandwich mould; c) setting the heating platens at a predetermined temperature within the range 80°C to 200°C; d) bringing the solid surface material to be formed into contact with or at least near the heating platens so that heat emanating from said platens is distributed substantially uniformly across at least one surface of the solid surface material; e) heating the solid surface material for a predetermined time within the range 5 seconds - 10.0 minutes according to the temperature selected from said temperature range; f) transferring the heated solid surface material into or onto the vacuum mould forming station; g) prior to cooling, causing with the use of said sandwich mould the solid surface material to bend about said mould generally along a corridor located at or at predetermined distance from an edge of the sheet and/or in a region therebetween to form a bend or bends having a radius or radii of a predetermined sizes.
Norford Industries Pty Limited
Ridout & Maybee Llp
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