Printer Friendly

Profile extrusion.

U.S. Patent 7,402,268 (July 22, 2008), "Method for Making a Composite Extruded Profile Formed With Thermoplastic Organic Material Reinforced With Fibers," Philippe Boissonnat, Edward Cooper, Guy Zanella, Remi Carel, Philippe Macquart, and Thierry Gay (OCV Intellectual Capital LLC, Germany).

Profile extrusion of plastic structures with continuous fibers is slow and expensive. Boissonnat et al. have improved this process by first preparing a tape from a mixture of continuous parallel reinforcing fibers such glass and meltable thermoplastic fibers. The meltable binder may be a poly olefin such as polyethylene or polypropylene or a polyester such as polyethylene terephthalate or polybutylene terephthalate. The tape is joined with a second extruded polyolefin or polyvinyl chloride resin stream and shaped into the final profile with a die.

Roger D. Corneliussen is Professor Emeritus of Materials Engineering, Drexel University, in Philadelphia, Pennsylvania USA. He is editor of Maro Polymer Alerts and the Maro Polymer website (www.maropolymeronline.com). He has been active in SPE since 1962 and has served on the board of the Philadelphia Section and as SPE Councilor. For Maro Patent Alerts, he reviews all U.S. Patents weekly, makes links to the polymer-related patents, and sends the links daily to subscribers. These patent abstracts are based on the weekly selection process. To sample Maro Patent Alerts, email a request to cornelrd@bee.net. The patents described here are selected on the basis of their novelty; selection does not affirm or imply the accuracy of a patent or its practical applicability.
COPYRIGHT 2008 Society of Plastics Engineers, Inc.
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2008 Gale, Cengage Learning. All rights reserved.

Article Details
Printer friendly Cite/link Email Feedback
Title Annotation:industry PATENTS
Author:Corneliussen, Roger
Publication:Plastics Engineering
Article Type:Brief article
Geographic Code:1USA
Date:Nov 1, 2008
Words:251
Previous Article:Flow guides.
Next Article:Processing aids.
Topics:

Terms of use | Privacy policy | Copyright © 2021 Farlex, Inc. | Feedback | For webmasters |