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Priority to ES1970154799UpriorityCriticalpatent/ES154799Y/en
Publication of ES154799UpublicationCriticalpatent/ES154799U/en
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Publication of ES154799YpublicationCriticalpatent/ES154799Y/en
Closing device for pressure kettle characterized by consisting of a push-button bushing, wrapped by a knob of insulating material; of an inner stem associated with said bushing and knob assembly; of a coil spring surrounding said inner stem; from another bushing, truncated cone, attached to the bridge; of an elastic half-ring whose ends protrude through holes provided in a skirt of the frusto-conical bushing, arriving to enter in helical grooves made in the push-button bushing, and of suitable means of articulation of the end of the rod to the center of the cover of the kettle. (Machine-translation by Google Translate, not legally binding)
ES1970154799U1970-01-031970-01-03
CLOSING DEVICE FOR PRESSURE KETTLE.
ExpiredES154799Y
(en)