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Individual
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Individual
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Priority to ES0037279UpriorityCriticalpatent/ES37279Y/en
Publication of ES37279UpublicationCriticalpatent/ES37279U/en
Application grantedgrantedCritical
Publication of ES37279YpublicationCriticalpatent/ES37279Y/en
A new cork seal, applicable to packaging in general and especially to substances for laboratories, characterized essentially by the fact that it consists of a sheet or plate of natural or agglomerated cork, which has the particularity that, at least for one of its faces has a protection based on a sheet of plastic material, polyethylene or other adhered by soldering means proper to the aforementioned material in combination with solvents or heat, or using insoluble glues in the water and unalterable, to equip the sealing of cork of properties resistant to the action of external agents and to resist the attacks of the substances that can affect the packaged content, punching out these compounds in the suitable form either in disks or another appropriate in each case. (Machine-translation by Google Translate, not legally binding)
ES0037279U1953-07-211953-07-21
New cork seal
ExpiredES37279Y
(en)