IP Library Granted Patent US 7,698,872
Granted Patent B2
US 7,698,872 · App. 12/142,769 · Granted Apr 20, 2010

Portable panel construction and method for making the same

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Quick Facts
Patent No.
US 7,698,872
App. No.
12/142,769
Granted
Apr 20, 2010
Kind
B2
Abstract

Disclosed herein is a portable panel having numerous favorable characteristics. The panel comprises a core having a length, a width, a first side and a second side. A first fiber layer is attached to the first side while a second fiber layer is attached to the second side. A first polyurethane layer is impregnated in the first fiber layer while a second polyurethane layer is impregnated into the second fiber layer. A first skin is attached to the first polyurethane layer while a second skin is attached to the second polyurethane layer. The panel can be used in the manufacture of tables, flooring, risers, stages, bleachers, and the like.

Claims (23)

1. A method of constructing a panel comprising:

a) providing a frame;

b) placing a core within the frame;

c) attaching a first fiber layer to a first side of the core and a first side of the frame;

d) attaching a second fiber layer to a second side of the core and a second side of the frame;

e) impregnating a first polyurethane layer in the first fiber layer;

f) attaching a first skin to the first polyurethane layer and the frame, the first skin and frame constraining the first polyurethane layer as it cures;

g) impregnating a second polyurethane layer in the second fiber layer; and

h) attaching a second skin to the second polyurethane layer and the frame, the second skin and frame constraining the second polyurethane layer as it cures.

2. The method of claim 1 , wherein the frame forms the perimeter of the panel.

3. The method of claim 1 , wherein the method is performed without a mold.

4. A method of constructing a panel comprising:

a) providing a frame having an open bottom and an open top;

b) placing a core within the frame to expose the core through the open bottom and the open top;

c) attaching a first fiber layer to a first side of the core and a first side of the frame;

d) attaching a second fiber layer to a second side of the core and a second side of the frame;

e) impregnating a first polyurethane layer in the first fiber layer;

f) attaching a first skin to the first polyurethane layer and the frame, the first skin and frame constraining the first polyurethane layer as it cures;

g) impregnating a second polyurethane layer in the second fiber layer;

h) attaching a second skin to the second polyurethane layer and the frame, the second skin and frame constraining the second polyurethane layer as it cures; and

i) integrating the frame with the core and layers by performing steps e)-h).

5. The method of claim 1 , wherein the frame forms the perimeter of the panel.

6. The method of claim 1 , wherein the method is performed without a mold.

Assignments (2)
CHANGE OF NAME Recorded Jan 19, 2011
From: PALMER/SNYDER FURNITURE COMPANY
To: PS FURNITURE, INC.
Reel/Frame 025768/0233 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 30, 2009
From: CLARK, ROGER A.; GULA, GEORGE
To: PALMER/SNYDER FURNITURE COMPANY C/O CUMBERLAND LAW GROUP, LLPC
Reel/Frame 022619/0377 →