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US 2020/0325727 A1Published application
Co-molded shoe for a ladder rail and method for forming such shoe
AssigneeLouisville Ladder Inc.
InventorAndrès Eduardo REYES ACOSTA
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Abstract
A shoe for a rail of the ladder has a body with a bottom and a pair of sides in parallel relation to each other, and a tread co-molded to the bottom of the body. The bottom of the body can either be flat or generally U-shaped. The tread has a plurality of ribs formed on a surface thereof opposite the bottom of the body. The body is formed of a metallic material and the tread is formed of a polymeric material.
Claims20
A shoe for a ladder rail, the shoe comprising:
- a body having a pair of side panels in parallel relation to each other and a bottom;
- and
- a tread co-molded to the bottom of said body.
A method for forming a shoe for a rail of a ladder, the method comprising:
- forming a body having a pair of sides extending in parallel relation to each other and a bottom extending between the pair of sides;
- placing the body into a mold;
- flowing a polymeric material into the mold;
- and
- pressurizing the polymeric material in the mold so as to co-mold the polymeric material onto the bottom of the body so as to form a tread that is secured to the bottom of the body without fasteners.
2 more elements
Dependencies are inferred from the claim text.