Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With bending – folding – winding – or wrapping means
Patent
1978-08-04
1981-03-10
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With bending, folding, winding, or wrapping means
156194, 493271, 493276, 493295, B31F 100
Patent
active
042552230
ABSTRACT:
This invention relates to packaging "sleeves", or multi-sided, tubular structures which may be used for packaging articles, as blanks for boxes, or the like, which are made from multiple layers of spirally wrapped strips of paper, fabric, or the like; which sleeves may have discrete corners at the junctures of their sidewalls, which corners may be permanent where rididity is desired, or foldable so that the sleeves may be flattened for storage and/or shipment. Such sleeves may be made by apparatus, and/or utilizing methods, in accordance with the present invention, which contemplates the formation of a substantially cylindrical core over a cylindrical spindle, and transferring the core to axially oriented lines of rollers which are oriented radially to the axis of the spindle at sequentially increasing distances therefrom, whereby the sleeve, while still softened from the application of glue to its constituent layers, may be permanently distorted into its desired multi-side, multi-cornered configuration, with desired radii at the corners and such grooves as may be desired to augment hinging to facilitate flattening of the sleeves.
REFERENCES:
patent: 1319455 (1919-10-01), Bartlett
patent: 2998339 (1961-08-01), Barnes et al.
patent: 3202066 (1965-08-01), Palmer
patent: 3256783 (1966-06-01), Richter
patent: 3610115 (1971-10-01), Rose et al.
patent: 3619863 (1971-11-01), Ciabani
patent: 3732790 (1973-05-01), Miyake et al.
patent: 3910171 (1975-10-01), Reinhardt
Rhines William G.
Simmons David A.
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