The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 27, 1988
Filed:
Aug. 17, 1987
Biing-Lin Lee, Broadview Heights, OH (US);
Cameron Cranston, Wadsworth, OH (US);
The B. F. Goodrich Company, Akron, OH (US);
Abstract
Various processing advantages are gained when ultrasonic vibration is applied to a thermoplastic processing apparatus such as an extruder or an injection molding device. Such advantages include improved flow rate, reduced processing pressure, and consequently reduced processing temperature to mold or extrude the melted thermoplastic. The ultrasonic vibration is desirably applied to the die of the processing apparatus and in a direction longitudinal to the flow of the thermoplastic. Suitable thermoplastics include polystyrene and polyolefins.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile