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Priority to ES89209UpriorityCriticalpatent/ES89209Y/en
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Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments
(AREA)
Pens And Brushes
(AREA)
Abstract
"ELASTIC CLOSURE FOR PENCILS" which is characterized by being made of a certain elasticity that forms an elongated body of surfaces of revolution, which fits inside the envelope of the ballpoint pen, opened at its rear end, presenting its anterior end in a form cylindrical, where the ink tank of the pen stops, followed by disc-shaped projections of the same diameter as the aforesaid end, followed by the cylindrical posterior end and a slightly larger diameter than the aforementioned parts so that it protrudes slightly of the rear end of the enclosure where it rests on an internal projection thereof, close to its end, so as to allow the displacement of the closure to effect the replacement of the reservoir as well as by elastic effect of the component material a cushioning of the pressure exerted on paper by the writer's tip. (Machine-translation by Google Translate, not legally binding)
ES89209U1961-10-041961-10-04
Elastic closure for stationary pens
ExpiredES89209Y
(en)