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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES0030640UpriorityCriticalpatent/ES30640U/en
Publication of ES30640UpublicationCriticalpatent/ES30640U/en
A zipper closure, made of wire, characterized in that its zippers are resolved by two wires of the same caliber wound in spirals of equal diameter meter and pitch; one of these spirals is normal, and the other has four inverse inclinations, of equal value and length, and of inverse directions, being aligned according to generatrices the vertices of each sign; the closure being made by fitting an alignment of vertices, with the normal turns of the opposite spiral. (Machine-translation by Google Translate, not legally binding)
ES0030640U1952-03-291952-03-29A wire zipper closure (Machine-translation by Google Translate, not legally binding)
PendingES30640U
(en)
Improvements introduced in the false torque embuds for the rolling of the fiber tapes in cross coils. (Machine-translation by Google Translate, not legally binding)