Title: Blower blade for electric motors

Abstract: An improved blower blade for electric motors is disclosed. The blower blade comprises from about 50 to about 75% polypropylene, from about 5 to about 10% glass fibers and from about 15 to about 45% inert filler.

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Inventors: Sisk, Hollis D. (Chesterfield, MO, US)

Application Number: 538304
Filing Date: 1975-01-03
Publication_date: 1976-01-13
Assignee: Wagner Electric Corporation (Parsippany, NJ)
Primary Class(es): 416/230 416/241A
Other Classes:
US Patent Ref:

3033293	May, 1962	Bihlmire	416/240.
3245476	Apr, 1966	Rodwick	416/24.
3306588	Feb, 1967	Reid	416/241.
3408944	Nov, 1968	Belonger et al.	416/241.
3706511	Dec, 1972	Abbott	416/229.

Other Refs: 1,428,152

Jan, 1969	DT

Primary Examiner: Powell, Jr., Everette A.
Assistant Examiner:
Attorney: Eyre, Mann & Lucas