Package making – With contents treating – Reshaping
Patent
1987-05-20
1990-09-04
Spruill, Robert L.
Package making
With contents treating
Reshaping
100295, B65B 124, B30B 1506
Patent
active
049533444
ABSTRACT:
For applying a covering to glass fibre insulation batts, the batts are deposited in succession into a vertically elongate batt stacking space to form a stack of the batts, and upper and lower compression plates each having a concave compression surface the shape of which compression surfaces correspond at least substantially to the shapes of convex upper and lower surfaces of the package, are displaced vertically by an amount sufficient to compress the stack between the upper and lower compression surfaces with a compression ratio of 6:1 to 11:1. A covering of flexible sheet material is then provided around the compressed stack to maintain the stack in a compressed state. The concave compression surfaces make possible a higher compression of the batts than was possible with the flat compression plates used in the prior art, without damaging the batts and therefore while allowing satisfactory recovery of the batts when released from their compressed state.
REFERENCES:
patent: 2674535 (1954-04-01), Meisler
patent: 2982063 (1961-05-01), Coleman et al.
patent: 3195445 (1965-07-01), Meisler
patent: 3228166 (1966-01-01), Thiele
patent: 3908539 (1975-09-01), O'Brien
patent: 4341056 (1982-07-01), Leanna et al.
patent: 4408438 (1983-10-01), Rewitzer
patent: 4738078 (1988-04-01), Benz et al.
Bianca Beth
Fiberglas Canada Inc.
Spruill Robert L.
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