Claims
- 1. A method of molding an article of mottled appearance comprising the steps of:
- introducing molding materials of different coloration into an injector housing bore containing a rotatable screw;
- rotating said screw to advance said materials and discharge said materials from said screw in a softened condition which is short of a fully blended condition so that distinct color patterns are present;
- heating a portion of said housing located ahead of said screw;
- translating said screw forwardly to advance said softened materials toward said heated housing portion containing a spreader, so that the softened materials are spread outwardly and travel through a passage formed by said spreader in a direction parallel to the axis of said bore to facilitate melting and minimize mixing of said materials;
- discharging said materials from a discharge opening of said housing in a fully melted condition but short of a fully mixed condition, so that distinct color patterns are present.
Parent Case Info
This is a division of application Ser. No. 382,500, filed July 25, 1973, now U.S. Pat. No. 3,945,786.
US Referenced Citations (6)
Divisions (1)
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Number |
Date |
Country |
Parent |
382500 |
Jul 1973 |
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