Method for the production of fiber-reinforced polypropylene...

Details Method for the production of fiber-reinforced polypropylene... Method for the production of fiber-reinforced polypropylene...

2008-02-19

2011-10-25

Lee, Edmund H. (Department: 1744)

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

C264S249000, C264S257000, C264S275000, C264S258000, C264S325000

Reexamination Certificate

active

08043542

ABSTRACT:
Low density and acoustically absorbing panels are produced by consolidation in a mold of a heated part of a pre-cut, lofty, semi-finished product containing polypropylene fibers and reinforcing fibers and having an air pore content of 20 to 80 vol.-% wherein overlapping with the periphery of the pre-cut part are heated strips of polypropylene optionally containing up to 60 wt.-% reinforcing fibers, but containing 5 vol.-% or less of air pores.

REFERENCES:
patent: 3353236 (1967-11-01), Stedman
patent: 5111579 (1992-05-01), Andersen
patent: 6297176 (2001-10-01), North et al.
patent: 0255314 (1988-02-01), None
patent: 0255315 (1988-02-01), None
patent: 0743632 (1996-11-01), None
patent: 1736298 (2006-12-01), None
patent: 2006105682 (2006-10-01), None
patent: 2006133586 (2006-12-01), None

Affiliated with

Also associated with

Rating

Method for the production of fiber-reinforced polypropylene... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for the production of fiber-reinforced polypropylene..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for the production of fiber-reinforced polypropylene... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4286238