| 摘要 |
PCT No. PCT/GB96/00938 Sec. 371 Date Jan. 23, 1998 Sec. 102(e) Date Jan. 23, 1998 PCT Filed Apr. 22, 1996 PCT Pub. No. WO96/34725 PCT Pub. Date Nov. 7, 1996An apparatus for the cutting and creasing of plastics material sheet is disclosed which comprises a cutting and creasing tool and a corresponding plate arranged for mutual contact characterized in that the plate is free of raised surfaces and is covered with a plastic material, preferably nylon. Additionally, an apparatus for preheating corrugated plastics sheet material is described which comprises a flat bed portion adapted to receive a stack of precut corrugated sheet material blanks with their direction of corrugation aligned, heating means at at least one end of the stack, and fan means at at least one end of the stack, the heating and fan means being arranged such as to direct heated air along the corrugation of at least some of the sheets in the stack and back via the remainder of the sheets in the stack in an endless loop.
|
