Stretched and foamed plastic container and method of producing the same
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United States of America Patent
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Apr 26, 2016
Grant Date -
Apr 24, 2014
app pub date -
Dec 27, 2013
filing date -
Mar 27, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A foamed plastic container in which the cell diameters vary along a gradient so as not to decrease the content protection performance, in a manner quite different from the foamed cells distributed in the conventional foamed containers. The foamed plastic container has a container wall formed by using a plastic material and in which foamed cells are distributed, the lengths of the foamed cells in the surface direction of the container wall decreasing from the outer surface of the container toward the inner surface thereof.
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....
- B29B:PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE ....
- A47J:KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPA....
- F25D:REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR F....
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- B65D:CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR....
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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