Corrugated sandwich panel and method for manufacturing the same

Details Corrugated sandwich panel and method for manufacturing the same Corrugated sandwich panel and method for manufacturing the same

2006-05-09

2006-05-09

Loney, Donald J. (Department: 1772)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S207000, C156S244150, C156S244270, C264S286000, C264S319000

Reexamination Certificate

active

07041187

ABSTRACT:
Disclosed is a method for preparing a corrugated sandwich panel including the steps of: extruding melted polyethylene resin by use of an extruder and a slit nozzle; molding the extruded polyethylene resin to a vertically corrugated inner sheet by use of a plurality of molding rolls; supplying a lower sheet from the lower portion of the inner sheet and an upper sheet from the upper portion thereof; forming a plurality of melting grooves by use of heaters each provided between the upper sheet and the inner sheet and between the lower sheet and the inner sheet such that the melting and bonding between the upper sheet and the inner sheet and between the lower sheet and the inner sheet is conducted; and pressing the upper sheet, the inner sheet and the lower sheet each having the plurality of melting grooves formed thereon by use of a plurality of press rolls.

REFERENCES:
patent: 4132581 (1979-01-01), Swartz
patent: 5894046 (1999-04-01), Kim et al.

Affiliated with

Also associated with

Rating

Corrugated sandwich panel and method for manufacturing the same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Corrugated sandwich panel and method for manufacturing the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Corrugated sandwich panel and method for manufacturing the same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3606396