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3507731
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Information
Patent Grant
3507731
References
Source
Patent Number
3,507,731
Date Filed
Not available
Date Issued
Tuesday, April 21, 1970
54 years ago
CPC
B29C66/83413 - cooperating rollers, cylinders or drums
B29C53/382 - using laminated sheets
B29C53/50 - using internal forming surfaces
B29C53/54 - Guiding, aligning or shaping edges
B29C66/4322 - by joining a single sheet to itself
B29C66/723 - being multi-layered
B29C66/81457 - comprising a block or layer of deformable material
B29C65/78 - Means for handling the parts to be joined
B29C66/139 - Interpenetrating fingered joints
B29C66/72328 - Paper
B29C66/72343 - for liquids
Y10T156/1038 - Hollow cylinder article
US Classifications
156 - Adhesive bonding and miscellaneous chemical manufacture
493 - Manufacturing container or tube from paper
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