The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 07, 2004
Filed:
Apr. 05, 2002
Cory L. Groft, Littlestown, PA (US);
Thomas W. Dauber, Spring Grove, PA (US);
Other;
Abstract
A multi-layer slab insulation having an aluminum layer, a first foam layer positioned on one side of the aluminum layer, and a second foam layer positioned on another side of the aluminum layer. In one embodiment, the first and second foam layers are polyolefin foam layers such as polyethylene foam and polypropylene foam. The aluminum layer is an aluminum foil and may be provided with strengthening layers. Alternatively, the aluminum layer is a metallized film. Preferably, the various layers are laminated together. In another embodiment, a multi-layer slab insulation includes a first foam layer, and a second foam layer laminated to the first foam layer, at least one of the foam layers being provided with at least one extending lip sized to allow interlocking of the multi-layer slab insulation with an adjacent multi-layer slab insulation.