Rigid coextruded sheet and container

B - Operations – Transporting – 29 – C

Patent

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18/783

B29C 47/06 (2006.01) B29C 51/14 (2006.01)

Patent

CA 1195070

Abstract of the Disclosure A coextruded thermoplastic sheet suitable for thermoforming into a rigid container, the sheet including a bulk layer made of a first material and a pair of bending moment resisting layers adhered to opposite surfaces of the bulk layer, the moment resisting layers being made of a second material that is more rigid than the first material, whereby the bulk layer acts to locate the second material of more rigidity at a location spaced from the neutral axis of the sheet where it efficiently resists bending moments and provides rigidity to the sheet.

413885

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