Method and apparatus for securing sheets to slats and in spaces

Details Method and apparatus for securing sheets to slats and in spaces Method and apparatus for securing sheets to slats and in spaces

1993-12-03

1995-09-26

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156212, 156213, 156215, 156300, 156301, 156461, 156468, 156475, B32B 3108, B32B 3116, B31F 100

Patent

active

054531420

ABSTRACT:
A composite structure such as a roller door comprises a plurality of rigid slats (1) arranged parallel with one another and spaced apart transversely in an array, the array of slats being sandwiched between upper (3) and lower (4) flexible sheets fixed together in the spaces (5) between adjacent slats to form flexible hinge portions. Preferably the structure is formed by advancing the array of slats (1), in the longitudinal direction of the slats through means which applies the upper and lower flexible sheets to the upper and lower surfaces of the slats and bonds the flexible sheets to the upper and lower surfaces of the slats, then passing the resulting assembly, still in the longitudinal direction of the slats, through apparatus which bears on the flexible sheets and deforms them, in the interstices between the slats, until the upper and lower sheets come together in said interstices and are bonded to each other where they come together. Thus, the slats are securely encapsulated between the flexible sheets and the portion of the flexible sheets between adjacent slats form said flexible hinge portions.

REFERENCES:
patent: 20630 (1858-06-01), Cornell
patent: 626475 (1899-06-01), Andrews
patent: 2284563 (1942-05-01), Dillman et al.
patent: 2739635 (1956-03-01), Seaborne et al.
patent: 2829081 (1958-04-01), Sweem

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