Flexible or portable closure – partition – or panel – Plural and/or with rigid closure – Roll type
Reexamination Certificate
2005-06-14
2005-06-14
Johnson, Blair M. (Department: 3634)
Flexible or portable closure, partition, or panel
Plural and/or with rigid closure
Roll type
C160S084050, C428S116000
Reexamination Certificate
active
06904948
ABSTRACT:
An apparatus and method for fabricating a cellular roller shade material for use in roller shade coverings for architectural openings is described. In a preferred embodiment, two fabric tapes are joined proximate an edge of each to form a wide fabric tape. The wide fabric tape is then pulled through a folding horn to fold the tape along a longitudinal axis that is laterally offset from the tape's longitudinal axis. Two longitudinal adhesive beads are applied to the folded tape by an adhesive applicator. The folded tape is then continuously wound onto tubular surface with the surfaces of the folded tape containing the adhesive beads being placed in an overlapping relationship with a portion of a previously wrapped section of the folded tape. The wrapped and joined tubular tape is cut to form a sheet of shade material that comprises plurality of horizontally-extending cells when utilized in a roller shade.
REFERENCES:
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patent: 6033504 (2000-03-01), Judkins
patent: 6206075 (2001-03-01), Prince et al.
patent: 6513565 (2003-02-01), Rupel et al.
patent: 6630222 (2003-10-01), Fay et al.
patent: 6688369 (2004-02-01), Colson et al.
Ashurst Gary
Auger Raymond
Birch Cliff
Dorsey & Whitney LLP
Hunter Douglas Inc.
Johnson Blair M.
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