Flat or semi-flat element including a frame

Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing

Reexamination Certificate

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Details

C428S012000, C428S034900, C220S004280, C220S644000, C220S649000, C220S657000, C220S659000, C220S006000, C160S377000

Reexamination Certificate

active

07090905

ABSTRACT:
Flat or semi-flat element (1) including a partly or completely circumambient frame (2), which element (1) is manufactured through molding of a polymeric material. The element (1) includes a carrying structure, constituted by the frame (2), and an intermediate wall section (3). The wall section (3) is connected to the frame (2) via a resilient section (4), the resilient section (4) being a part of the wall section (3). The differences in the temperature related shrinkage between the frame (2) and the wall section (3) is absorbed by the resilient section (4), whereby warping of the element (1) is avoided.

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Patent Abstracts of Japan, abstract of JP 82-67493 A, Oct. 15, 1996.
Patent Abstracts of Japan, abstract of JP 4-164609 A, Jun. 10, 1992.
Patent Abstracts of Japan, abstract of JP 4-284214 A, Oct. 8, 1992.

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