ES267226A3 - Improvements introduced in transparent folders with elastic reinforcement frame (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvements introduced in transparent folders with elastic reinforcement frame (Machine-translation by Google Translate, not legally binding)
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JOCHIM PAUL
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JOCHIM PAUL
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Priority to ES0267226ApriorityCriticalpatent/ES267226A3/en
Publication of ES267226A3publicationCriticalpatent/ES267226A3/en
Improvements introduced in the transparent folders with elastic reinforcement frame, characterized in that the reinforcing frame consists of a steel wire for springs, which is embedded in a plastic sleeve, which has on its periphery a narrow edge through, through the which is welded, together with the embedded wire, to the edges of the folder. (Machine-translation by Google Translate, not legally binding)
ES0267226A1961-05-081961-05-08Improvements introduced in transparent folders with elastic reinforcement frame (Machine-translation by Google Translate, not legally binding)
ExpiredES267226A3
(en)