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2167539
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Information
Patent Grant
2167539
References
Source
Patent Number
2,167,539
Date Filed
Not available
Date Issued
Tuesday, July 25, 1939
84 years ago
CPC
B31F1/36 - Moistening and heating webs to facilitate mechanical deformation and drying deformed webs
B29C53/04 - of plates or sheets
B29C53/046 - using centrifugal force
B29C57/00 - Shaping of tube ends
B31F1/008 - Shaping of tube ends
H01F27/325 - Coil bobbins
US Classifications
264 - Plastic and nonmetallic article shaping or treating: processes
029 - Metal working
072 - Metal deforming
076 - Metal tools and implements, making
493 - Manufacturing container or tube from paper
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