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.)
Ercros SA
Original Assignee
Union Explosivos Rio Tinto SA
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 Union Explosivos Rio Tinto SAfiledCriticalUnion Explosivos Rio Tinto SA
Priority to ES1982268351UpriorityCriticalpatent/ES268351Y/en
Publication of ES268351UpublicationCriticalpatent/ES268351U/en
Application grantedgrantedCritical
Publication of ES268351YpublicationCriticalpatent/ES268351Y/en
Profile with improved pressure inner bolster, characterized by comprising a shape with orthogonal section of trapezoidal shape, with angles in greater base of warped shape and lower base ends, with circular revolving fins. (Machine-translation by Google Translate, not legally binding)
ES1982268351U1982-11-041982-11-04
PROFILE WITH INTERNAL PRESSURE BALL, IMPROVED.
ExpiredES268351Y
(en)
Straight laminated profile, fins and internal appendices with internal ballstilla of pressure, improved. (Machine-translation by Google Translate, not legally binding)