Molding of rotary mower safety blade

Details Molding of rotary mower safety blade Molding of rotary mower safety blade

1979-08-13

1982-03-16

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264DIG69, B29C 602

Patent

active

043200826

ABSTRACT:
A safety blade for a powered rotary lawn mower and method of making same. A layer of high strength fabric of an organic polymer extends throughout the blade. A metallic bar is positioned primarily in the central portion of the blade. The fabric and bar are bonded together and encapsulated in a elastomeric material containing fibers of an organic polymer. The blade is formed so that the outer end portions are provided with cutting edges with the fabric intersecting the cutting edges.

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patent: 2164400 (1939-07-01), Groskopf
patent: 3271039 (1966-09-01), Kohl et al.
patent: 3468974 (1969-09-01), Elgin
patent: 3607600 (1971-09-01), Schreter
patent: 3614861 (1971-10-01), Wickham et al.
patent: 3911652 (1975-10-01), Houle
patent: 4052344 (1977-10-01), Crane et al.
patent: 4139591 (1979-02-01), Jurisich
patent: 4197381 (1980-04-01), Alia

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