Chromalloy American Corporation

Richard R Adams

A waterproof hip length boot and method of manufacture wherein the fabric lined upper leg portion is attached as a sheet around its lower edge to the upper edge of the lower boot portion by an adhesive such as urethane or another synthetic polymeric material having similar properties that provides circumferential and longitudinal bonded seams and also coats the fabric opposite the wearer's knee for internal abrasion protection.

Waterproof boot with knee protection

A method for manufacturing boots of rubber or the like wherein the successive boot building operations are carried out on lasts carried by a movable conveyor indexed to and through stations spaced along a line. An elastic sock is mounted on each last at the first station, an adhesive or a chemical reactant such as a coagulant solution are applied to the sock, latex dip coatings are applied, and binding, foxing, toe caps, insulation and the like applied before vulcanization and final lacquer spraying and trimming at indexed stations.

Method for manufacturing waterproof boots

A safety boot has a lower foot receiving portion incorporating wearer instep protection in the form of a relatively rigid inverted U-shaped guard of hard non-brittle synthetic plastics material extending over the metatarsal region of the wearer's foot and downwardly at opposite sides to terminate in edges in substantial abutment with the sole whereby impact and crushing forces are transmitted substantially straight down the sides to be distributed and absorbed along the sole.

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Bettendorf, IA, United States of America

Richard R Adams