Drum for drum sander for surface mounting of sandpaper blanks

Details Drum for drum sander for surface mounting of sandpaper blanks Drum for drum sander for surface mounting of sandpaper blanks

2006-10-31

2006-10-31

Rose, Robert A. (Department: 3723)

Abrading

Frame or mount

Portable abrader

C451S496000, C451S490000

Reexamination Certificate

active

07128640

ABSTRACT:
A powered floor sanding system with a rotating sanding drum having a drum core, to which is adhered a compliant sole and thereto a hook component material, using suitable adhesives; in combination with a sanding sheet having a loop fabric laminated to its backside with a high temperature adhesive so that the sanding sheet can be manually wrapped around the drum without special tools or other considerations, resulting in full surface area engagement of the hook and loop fastening materials with a butt joint of the sheet leading and trailing edges that does not overlap, and the sheet retains its grip on the drum for floor sanding operations under the weight of the floor sander at speeds up to 2800 rpm. There may be an alignment bar on the drum, not higher than flush. There may be a recess behind the bar for the leading edge of the sanding sheet.

REFERENCES:
patent: 1395468 (1921-11-01), Beal
patent: 1640933 (1927-08-01), Gries
patent: 2375102 (1945-05-01), Harris
patent: 6645054 (2003-11-01), Raffo, Sr.
patent: 219709 (1957-09-01), None
patent: 400754 (1933-11-01), None

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