Portatubos to roll and at the same time empty tubes. (Machine-translation by Google Translate, not legally binding)

摘要

Tube holders for winding and at the same time emptying tubes, in which the tubes are grasped by means of a turning key in a housing, characterized in that a movable pressure spring, arranged in the form of an arc, is fitted, which is fitted in two depths that for this purpose they are practiced in the carcass in such a way that it is self-holding and holds the turning key, making any other safety device unnecessary and therefore making it easier to take advantage of the turning key and the entire length of the tube or the width of the tube. Case. (Machine-translation by Google Translate, not legally binding)