ES20538U - Background perfected for tubular containers of paper, cardboard and similar (Machine-translation by Google Translate, not legally binding)
- Google Patents
Background perfected for tubular containers of paper, cardboard and similar (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Priority to ES0020538UpriorityCriticalpatent/ES20538Y/en
Publication of ES20538UpublicationCriticalpatent/ES20538U/en
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Publication of ES20538YpublicationCriticalpatent/ES20538Y/en
An improved fund for tubular containers of paper or cardboard, cardboard or the like, characterized by being constituted by a cork disk, whose diameter is equal to or slightly greater than that of the inside of the tube of paper, cardboard, cardboard or similar, introducing this disk in one of the mouths of the tube, yielding in diameter as required by the pressure and shape of the tube, leaving said disc flush with the embouchure, in position that can be secured by glue disposed between the contact surfaces. (Machine-translation by Google Translate, not legally binding)
ES0020538U1949-07-211949-07-21
Improved bottom for tubular paper, cardboard and similar packaging
ExpiredES20538Y
(en)