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3810800
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Information
Patent Grant
3810800
References
Source
Patent Number
3,810,800
Date Filed
Not available
Date Issued
Tuesday, May 14, 1974
50 years ago
CPC
B32B37/146 - whereby one or more of the layers is a honeycomb structure
B29C67/2235 - comprising extruding the compounds before foaming
B29C69/00 - Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00
B29D24/005 - the structure having joined ribs
B29D28/00 - Producing nets or the like
B29D99/0089 - Producing honeycomb structures
B31D3/0253 - involving laminating the expanded core
B31D3/0284 - Laminating honeycomb cores; applying cover sheets to core edges; working core edges
B32B3/12 - characterised by a layer of regularly- arranged cells
B32B27/00 - Layered products comprising a layer of synthetic resin
B65D65/406 - with at least one layer provided with a relief other than corrugations
C08J9/04 - using blowing gases generated by a previously added blowing agent
B29C35/041 - using liquids
B29C47/0021 - Flat flexible articles
B29C47/0028 - Multi-passage hollow articles
B29C47/0033 - Articles having longitudinal irregularities
B29C47/0038 - Combined shaping operations
B29C47/0047 - producing flat articles having components brought in contact outside the extrusion die
B29C47/0057 - Extrusion moulding combined with shaping by orienting, stretching or shrinking
B29C47/0059 - Extrusion moulding combined with shaping by flattening, folding or bending
B29C47/0064 - Extrusion moulding combined with joining, lining or laminating
B29C47/0066 - Extrusion moulding combined with cutting
B29C47/02 - incorporating preformed parts or layers
B29C47/025 - Coating non-hollow articles
Y10S264/81 - Plastic net
Y10T156/1003 - by separating laminae between spaced secured areas [e.g., honeycomb expanding]
Y10T156/1051 - by folding
Y10T156/1056 - Perforating lamina
US Classifications
156 - Adhesive bonding and miscellaneous chemical manufacture
229 - Envelopes, wrappers, and paperboard boxes
264 - Plastic and nonmetallic article shaping or treating: processes
493 - Manufacturing container or tube from paper
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