Method of making sandwich-like product starting with extruded profile
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United States of America Patent
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Jan 24, 2017
Grant Date -
Oct 2, 2014
app pub date -
Jun 10, 2014
filing date -
Dec 5, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A process of making a multi-layered product from an extruded sheet or web of material (42) having parallel upper and lower walls (130) and a plurality of spacers (134) extending between the upper and lower walls (130) is provided. Portions of the extruded web or extrudate (42) are removed in selected areas. The lightened web is then folded. Outer skins are then applied to the folded web. The extrudate (42) is formed into a product (10) having a plurality of cells (14). The cells (14) may have one or more openings (34), allowing access to an interior of the cell (14) and reducing the weight of the product (10).
First Claim
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International Classification(s)
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B29D:PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FRO....
- B31D:MAKING OTHER PAPER ARTICLES
- B30B:PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED....
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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