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.)
DONNER HANS OTTO
Original Assignee
DONNER HANS OTTO
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 DONNER HANS OTTOfiledCriticalDONNER HANS OTTO
Priority to ES0248393ApriorityCriticalpatent/ES248393A1/en
Publication of ES248393A1publicationCriticalpatent/ES248393A1/en
On-Site Construction Work That Accompanies The Preparation And Application Of Concrete
(AREA)
Abstract
Improvements introduced in the projectiles for mortar equipped with tail fins, characterized by the fact of its profile seen from one side, it has in the maximum diameter of the projectile and on each side thereof, a radius whose length is from 1 to 3 times the caliber of the projectile, varying the radius in the front part at a distance of 3/4 to 5/4 times the caliber, to a radius whose length is 3 to 6 times the caliber, changing the last radius to a distance of 5/4 to 7/4 times the caliber, to a radius of external curvature whose length is, mainly, equal to the first mentioned radius, that is to say from 1 to 3 times the caliber of the projectile. (Machine-translation by Google Translate, not legally binding)
ES0248393A1959-04-031959-04-03Improvements introduced in the projects for mortar (Machine-translation by Google Translate, not legally binding)
ExpiredES248393A1
(en)