Plastic hinge

Details Plastic hinge Plastic hinge

1984-11-05

1986-01-07

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

16225, 16DIG13, 428213, 428483, B32B 326, B32B 2700

Patent

active

045633819

ABSTRACT:
An extruded thermoplastic hinge having drastically improved ability to withstand flexure cycles at room as well as at low temperatures is disclosed. The hinge comprises a flexible cross-section of polyester elastomer and a co-extruded section of rigid or semi-rigid thermoplastic material selected from the group comprising rigid polyvinyl (PVC), acrylonitrile-butadyene-styrene (ABS), impact modified or general purpose acrylic or high impact styrene. The flexure cross-section may have the thickness ranging from ten percent to 100% of the thickness of the semi-rigid cross-section.

REFERENCES:
patent: 3445052 (1969-05-01), Lewallen
patent: 4089467 (1978-05-01), Makowicki

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