Procedure and device for the manufacture of glass objects. (Machine-translation by Google Translate, not legally binding)

摘要

Process and device for the manufacture of glass objects, essentially for the simultaneous manufacture of at least three blanks for glass objects with a ridge, namely at least two funnel blanks and a blank for driven containers, such as pipettes, ampoules, from a glass tube, characterized in that a tubular piece of glass whose diameter is equal to the diameter of the belly, smaller than the diameter of the edge of the funnel and larger than the diameter of the joint, is held at both ends in a device, is held on its length at least once and under continuous rotation around its axis it softens from both parts of the support (s) until the strangled, because then the strangulations are stretched simultaneously over a predetermined length to form each one a tube of the diameter of the joint of the funnel or of the ventrudo body and after the cooling they are cut in the proportion of length of the unitary you. (Machine-translation by Google Translate, not legally binding)