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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Olin Corp
Original Assignee
Olin Corp
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Filing date
Publication date
Application filed by Olin CorpfiledCriticalOlin Corp
Priority to ES360003ApriorityCriticalpatent/ES360003A3/en
Publication of ES360003A3publicationCriticalpatent/ES360003A3/en
A method of manufacturing hollow sheet units comprising the steps of forming a sheet of material containing internally between non-adhered double-walled portions a predetermined separation design and then cutting said sheet at an angle with respect to the thickness dimension through of a section including an extension of said separation area thereby exposing part of said separation area between a protruding lip and a resulting inward lip, and finally bending the protruding lip in the opposite direction to the other lip to establish an opening for the injection of expansion internal fluid pressure of the unit. (Machine-translation by Google Translate, not legally binding)
ES360003A1968-11-081968-11-08A procedure to manufacture hollow laminar units. (Machine-translation by Google Translate, not legally binding)
ExpiredES360003A3
(en)