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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GRINSTEAD ROBERT
Original Assignee
GRINSTEAD ROBERT
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Publication date
Application filed by GRINSTEAD ROBERTfiledCriticalGRINSTEAD ROBERT
Priority to ES0319772ApriorityCriticalpatent/ES319772A3/en
Publication of ES319772A3publicationCriticalpatent/ES319772A3/en
Improvements in the construction of filters for liquids, characterized in that each of the elements that constitute the filter is formed by a tube of perforated material, in which a monofilament is wrapped externally, which at the same time is welded in its place, being the separation between the adjacent turns of that winding of about five hundredths of a millimeter; completing the filter tube with terminal collars, gaskets and tubular coupling terminals. (Machine-translation by Google Translate, not legally binding)
ES0319772A1965-11-191965-11-19Improvements in the construction of filters for liquids. (Machine-translation by Google Translate, not legally binding)
ExpiredES319772A3
(en)
A perfection in the insulation of pipes and tanks, in particular for low temperature fluids, and device for their realization (Machine-translation by Google Translate, not legally binding)