Back to results
US 4,227,277 AGranted
Mop head
AssigneeAmerican Associated Companies
InventorH. William McNelley, Jr.
Life of this patent
Estimating the term…
Abstract
A roofer's mop comprises a plurality of glass yarns with randomly disposed fibers bound together in a fixture to provide a lightweight, bulky mop head which will withstand temperatures in excess of 800.degree. F. to spread molten tar for prolonged periods of usage.
Claims3
A mop head comprising:
- a fixture;
- and
- a plurality of hanging, glass yarns maintained in a bundle by said fixture, each yarn including a plurality of entangled, randomly disposed glass fibers.
A mop head comprising:
- a fixture for attaching the mop head to a handle;
- and
- a plurality of approximately equal length glass yarns attached to said fixture to define a bundle of glass yarns, each glass yarn including two free ends extending approximately equal distances from said fixture and each said glass yarn comprising a plurality of elongated glass fibers entangled with one another in random disposition with most fibers extending approximately the full length of said yarn, at least some of said fibers being arranged in non-parallel orientation with respect to others of said fibers, said bundle of glass yarns being resistant to and withstanding temperatures in excess of 800.degree. F. substantially without experiencing heat damage, and said plurality of glass yarns ranges in weight approximately from 2.9 to 3.1 pounds for every 400 yarns of approximately 30 inches each in length in which each said plurality of elongated glass fibers of each said yarn comprises approximately 800 fibers.
A mophead comprising:
- a fixture;
- a plurality of glass yarns bound together in a bundle by said fixture, each said glass yarn including a plurality of loosely entangled, non-parallel filaments crossing back and forth across one another in randomly disposed arrangement, and each said filament extending essentially the entire length of said yarn.
Dependencies are inferred from the claim text.