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US 6,713,003 B1Granted
Method of manufacture wrist pad
OwnerSemi Kaoinventor
Life of this patent
Estimating the term…
Abstract
A method of manufacturing a wrist pad, comprising the steps of: a. Knead and stir a mixture having natural rubber and foaming agent repeatedly to make it well mixed. b. Press the well mixed mixture into a plank element. c. Form an arched portion on the plank element. d. Foam the plank element with the arched portion so that a chemical reaction will occur between the natural rubber and the foaming agent to produce an air pressure for forming the plank element to a wrist pad, and e. Cool the foamed wrist pad and cut the wrist pad into a predetermined shape.
Claims7
A method of manufacturing a wrist pad, comprising the steps of:
- a. kneading and stirring a mixture having natural rubber and a foaming agent repeatedly to make it well mixed;
- b. pressing said well mixed mixture into a plank element;
- c. forming an arched portion on said plank element;
- d. foaming said plank element with said arched portion so that a chemical reaction will occur between said natural rubber and said foaming agent to produce an air pressure for forming said plank element into a wrist pad, and
- e. cooling said foamed wrist pad and cutting said wrist pad into a predetermined shape.
2 more elements
Dependencies are inferred from the claim text.