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MARTINEZ PINERA VICENTE
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MARTINEZ PINERA VICENTE
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Application filed by MARTINEZ PINERA VICENTEfiledCriticalMARTINEZ PINERA VICENTE
Priority to ES0049047UpriorityCriticalpatent/ES49047Y/en
Publication of ES49047UpublicationCriticalpatent/ES49047U/en
Application grantedgrantedCritical
Publication of ES49047YpublicationCriticalpatent/ES49047Y/en
DEVICE APPLICABLE TO THREADING MACHINES, characterized by being essentially composed of a cylindrical bushing, closed at one end, except for a small central circular section, and threaded externally at the opposite end, in which bushing is threaded, in turn another of slightly larger dimensions in a circular direction, but shorter, being also closed at the opposite end in the same way as the anterior cap. (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the object of main patent num.229812, by a procedure to elastize a thermoplastic thread (Machine-translation by Google Translate, not legally binding)
Device consisting of a set screw intended to vary the tension of the thread below in sewing machines (Machine-translation by Google Translate, not legally binding)