Method of telescopically assembling a flexible pinch valve element with a length of flexible tubing

摘要

A method of assembling telescopically a flexible tubular segment with a length of tubing involves the use of an assembly apparatus which controllably stretches a tubular segment. The free end of a portion of an end of a length of tubing is inserted through the stretched tubular segment a preselected distance. The stretched tubular segment is allowed to relax around the inserted portion of an end of the length of tubing, thus assembling the tubular segment with the end portion of a length of tubing. The tubular segment and portion of an end of a length of tubing that have been assembled together are then ejected simultaneously from the assembly apparatus.