Insulation spool apparatus for lining ductwork

Details Insulation spool apparatus for lining ductwork Insulation spool apparatus for lining ductwork

2011-04-19

2011-04-19

Rivera, William A (Department: 3654)

Winding, tensioning, or guiding

Unwinding

With supply coil replenishment

Reexamination Certificate

active

07926757

ABSTRACT:
The present insulation spool apparatus is adapted for lining ductwork with insulation material and includes a pair of spaced apart first and second spool plates for holding and mounting a plurality of rolls of insulation material at one time, each individual roll of insulation material being rotatable into operative position for use. Each spool plate includes a plurality of receptacles for engaging and holding one end portion of an insulation roll support shaft. The spool apparatus may further include a plurality of hook plates for guiding the support shafts into locking engagement with the spool plates, locking mechanisms for holding the support shafts in a locked position with the spool plates, one or more paddle assemblies for providing sufficient tension force to each respective roll of insulation material for preventing premature unwinding during use, and a feeder mechanism for feeding and loading such rolled material onto the spool apparatus.

REFERENCES:
patent: 1009181 (1911-11-01), Ringrose
patent: 1250217 (1917-12-01), Pfister
patent: 1449093 (1923-03-01), Finley
patent: 1930405 (1933-10-01), Vickery
patent: 4840321 (1989-06-01), Focke et al.
patent: 4948060 (1990-08-01), Kurz et al.
patent: 6095454 (2000-08-01), Simmons et al.
patent: 6394384 (2002-05-01), Alday et al.
Engel Industries, Coiline—Full System, www.engelind.com/coiline, Jan. 8, 2008.
Iowa Precision, Pro-Ductomatic, www.iowaprecision.com/ducto, Jan. 8, 2008.
Vicon Machinery LLC, Photographs of prior art apparatus illustrated in Figure 1 taken at Vicon Machinery LLC plant.

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