Trailer wall composite liner with integral scuff panel

Details Trailer wall composite liner with integral scuff panel Trailer wall composite liner with integral scuff panel

2006-02-15

2010-11-09

Sample, David R (Department: 1783)

Stock material or miscellaneous articles

Sheets or webs edge spliced or joined

C052S272000, C052S578000, C280S423100, C296S186100, C428S060000, C428S292100

Reexamination Certificate

active

07829165

ABSTRACT:
A thermoplastic composite liner for use as an inner wall of a trailer. The thermoplastic composite liner includes a glass reinforced thermoplastic sheet permanently affixed to a glass reinforced thermoplastic scuff panel along a length of the scuff panel by ultrasonic welding. The scuff panel is positioned relative to the thermoplastic sheet such that an edge portion of the thermoplastic sheet overlaps an edge portion of the scuff panel along the length of the scuff panel, the ultrasonic welding forming a weld joint between the overlapping edge portions of the thermoplastic sheet and the scuff panel along the length of the scuff panel. Preferably, the thermoplastic sheet and the scuff panel are fabricated of fiberglass reinforced plastic, such as polypropylene resin reinforced with glass fiber and the glass reinforced thermoplastic scuff panel includes fibrous material on one side of the scuff panel, the scuff panel being positioned such that the fibrous material side of the panel faces the thermoplastic sheet during the ultrasonic welding.

REFERENCES:
patent: 3419447 (1968-12-01), Hewitt
patent: 6220651 (2001-04-01), Ehrlich
patent: 6505883 (2003-01-01), Ehrlich
patent: 2002/0148196 (2002-10-01), Barry et al.
patent: 2005/0042433 (2005-02-01), Jones et al.
patent: 2006/0019078 (2006-01-01), Osten et al.
Two-Page Brochure for the Sonics 40kHz Ultrasonic Plastics Welding System Models 4095/4096, manufactured by Sonics & Materials, Inc., Copyright 2005.

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