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.)
Bolloneria E Vitteria Italiana B E V I
Original Assignee
Bolloneria E Vitteria Italiana B E V I
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Filing date
Publication date
Application filed by Bolloneria E Vitteria Italiana B E V IfiledCriticalBolloneria E Vitteria Italiana B E V I
Priority to ES201418ApriorityCriticalpatent/ES201418A1/en
Publication of ES201418A1publicationCriticalpatent/ES201418A1/en
Machine for the manufacture of wood screws, characterized in that it consists of a transport device for the axial and intermittent advance of a metal rod; of a series of pairs of opposing molds-matrices acting in transverse direction and successively on the advanced end of said metal rod, in order to transform the end in question into the threaded bolt of a wood screw with its corresponding head through of successive operations of radial compression, by the intervention of a pair of shears separating the screw made from the rest of the rod and by the action of a hammer that performs its percussions and compressions in the direction of the axis on the protruding end of the metal rod in question to form, by the said longitudinal compressions, the head of the screw whose elaboration is carried out; the advance device, the indicated press molds, the shears and the hammer molding are moved by a suitable mechanism that imposes all the components of the machine cyclic and coordinated movements. (Machine-translation by Google Translate, not legally binding)
ES201418A1952-01-151952-01-15A machine for the manufacture of wood screws (Machine-translation by Google Translate, not legally binding)
ExpiredES201418A1
(en)
A perfect machine for the manufacture of hollow parts of reinforced and compressed concrete (Machine-translation by Google Translate, not legally binding)
A procedure for the manufacture of hollow bodies in the form of caps, especially of thin walls, with one or several straight appendices (Machine-translation by Google Translate, not legally binding)
A compression device by embolish for the expulsion of water in nitrocellulose by means of alcohols (Machine-translation by Google Translate, not legally binding)
A procedure for the manufacture of rods, torcidas in cool, to be used as reinforcement of armed concrete (Machine-translation by Google Translate, not legally binding)