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.:

US 6676790 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 13, 2004

Filed:

Aug. 21, 2001
Applicant:
Inventors:

Anders Valentinsson, Färlöv, SE;

Rasmus Varfeldt, Helsingborg, SE;

Bengt Grönwall, Perstorp, SE;

Assignee:

Arca Systems AB, Perstorp, SE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65D 1/918 ; B65D 1/932 ; B29B 1/104 ;
U.S. Cl.
CPC ...
B65D 1/918 ; B65D 1/932 ; B29B 1/104 ;
Abstract

A process for the manufacturing of non-reinforced load carriers ( ) of thermoplastic material. Sheet-shaped work pieces ( ) and extended bar sections ( ) are manufactured by means of an extruder. The work pieces ( ) and bar sections ( ) are allowed to cool and post-shrink after the manufacturing. An upper and a lower deck member ( and respectively) are molded in a number of molds comprising mold halves. A first mold contains shaping cavities being a negative representation of the upper deck member ( ). A second mold gives shape to a lower deck member ( ). The work pieces ( ) are molded against each one cavity by means of vacuum and are pressed together while still hot whereby a hollow unit is formed. Skids ( ′) are molded in a similar way. The parts are allowed to cool and post-shrink whereupon they are joined with each other via a number of joining areas ( ).


Find Patent Forward Citations

Valentinsson, Anders. (2004). Process for the manufacturing of a load carrier (U.S. Patent No. 6676790). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6676790

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