B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 3/12 (2006.01)
Patent
CA 2675547
A method for making a composite panel (10), wherein the composite panel (10) has a honeycomb core (14) sandwiched between a pair of facing sheets (12), includes the steps of (a) coating the interior walls of the cells (18) with a unexpanded thermo-expandable material; (b) bonding a pair of facing sheets (12) to the opposite sides of the honeycomb core (14); and (c) heating the honeycomb core (14) while the honeycomb core (14) is sandwiched between the pair of facing sheets (12) with sufficient heat to cause the thermo-expandable material to expand and to substantially fill the cells (18).
L'invention concerne un procédé de fabrication d'un panneau composite (10), le panneau composite (10) ayant un noyau alvéolaire (14) pris en sandwich avec une paire de feuilles se faisant face (12), comprenant les étapes consistant à (a) revêtir les parois intérieures des alvéoles (18) avec un matériau thermodilatable non expansé ; (b) lier une paire de feuilles se faisant face (12) aux côtés opposés du noyau alvéolaire (14) ; et (c) chauffer le noyau alvéolaire (14) tandis que le noyau alvéolaire (14) est pris en sandwich entre la paire de feuilles se faisant face (12) avec une chaleur suffisante pour amener le matériau thermodilatable à se dilater et à remplir sensiblement les alvéoles (18).
Lowry Matthew
Nguyen Phu
Shen Hongbin
Gowling Lafleur Henderson Llp
M.c. Gill Corporation
LandOfFree
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