Formable metal-plastic-metal structural laminates

Details Formable metal-plastic-metal structural laminates Formable metal-plastic-metal structural laminates

1979-05-21

1982-02-02

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

156199, 15624427, 156313, 220450, 428218, 428332, 428246, 428461, 428462, 428623, 428626, B32B 702, B32B 1508, B29C 1900

Patent

active

043139965

ABSTRACT:
A metal-plastic-metal structural laminate which can be formed into various useful articles having compound curves using conventional metal forming techniques. The laminate comprises two metal skin layers and a centrally disposed polymer layer comprising a core layer, and optionally first and second adhesive layers. Each metal skin layer is 2 to 20 mils, the ratio of the core thickness to skin thickness is less than 9:1 and the total laminate thickness is 5 to 65 mils. The laminate can be bent to 90.degree. to a critical radius, the distance between the pivot point and the inner skin surface of the laminate, without metal rupture.

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patent: 4115619 (1978-09-01), Kurfman et al.
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Pohl et al., Modern Plastics, 41, Mar. 7, 1964, pp. 119-124._

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