B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 47/04 (2006.01) B29C 47/06 (2006.01) B29C 47/26 (2006.01) B29C 49/22 (2006.01)
Patent
CA 2105117
ABSTRACT OF THE DISCLOSURE The wall of a plastic product is made a laminated structure formed by colored resin layers and transparent resin layers. A transparent window is formed at part of the circumference of the wall. The window is formed by removing the colored resin layer at the window and filling the removed area with the transparent resin layer. Not all layers are discontinuous at the window area and other area of the wall, but at least one transparent layer is continuous over the whole circumference of the wall, thereby preventing the strength of the wall from being lowered at the window.
Fetherstonhaugh & Co.
Toyo Seikan Kaisha Ltd.
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