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 ES1968140879UpriorityCriticalpatent/ES140879Y/en
Publication of ES140879UpublicationCriticalpatent/ES140879U/en
Application grantedgrantedCritical
Publication of ES140879YpublicationCriticalpatent/ES140879Y/en
Improved worm device for removable bindings, essentially characterized in that it comprises a double cover, the lower being fixed and partially folding the upper one over the whole length, by means of a flange for this purpose, which defines the formation of the spine itself. The binding, existing between this and the fixed cover a folding of angular profile that goes drilled parallel and whose perforations are coincident with those arranged on the edges of the collectible leaves, arrangement that facilitates the alternative passage of an elastic spiroidal element of unión of the leaves between themselves and on the inside of the binding. (Machine-translation by Google Translate, not legally binding)
ES1968140879U1968-08-081968-08-08
PERFECTED WORM DEVICE FOR DETACHABLE BINDINGS.
ExpiredES140879Y
(en)