Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1994-03-31
1995-02-21
Bell, James J.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
26 185, 26 186, 28100, 206440, 422 1, 602 75, 602 76, B32B 3104
Patent
active
053913450
ABSTRACT:
An eight ply surgical wrap used for wrapping over and around a bandage to secure it in place, after it has been applied to a patients limb. The surgical wrap is formed from a single ply gauze fabric which is first bleached and washed, then folded into a four ply and then the fabric is overfed into a hot bath which agitates the fabric to make the yarns absorbent, fluffy, and elastic. The fabric is then passed through embossing rolls. The hot bath and the embossing roll causes the yarns to distort into an oblique and serpentine arrangement. The four ply fabric is then folded in a series of folds to create an eight ply fabric, that is highly absorbent, and because of the manner in which the fabric is folded, the surgical wrap is free of exposed selvege edges eliminating any chance of the selvege edges forming or causing a binding effect in the wrap.
REFERENCES:
patent: 2081370 (1937-05-01), Secrist
Bell James J.
Isaacs Alvin
The Kendall Company
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