Patent ID: 9457506
Filing Date: 2016-10-04
CPC Classification: A61B,A61M,B29C,B29L,B65B,Y10T

Claim Text:
1. A process for producing and assembling a medical operations syringe comprising in the order of at least the following operations: extruding plastic material in order to obtain an intermediate tubular element of plastic material at least partially at molten state; performing on said intermediate tubular element a blow moulding in a forming mould in order to obtain at least a hollow body having an inner wall wherein said blow moulding is carried out by pressing the intermediate tubular element on at least one shaped tool and carrying out the operation of blow moulding through said at least one shaped tool; calibrating at least a longitudinal stretch of the inner wall of said hollow body performed contextually with said operation of blow moulding, while said hollow body is still heated and at said at least partially molten or malleable state so that said inner wall presents a substantially linear profile; inserting firmly and at least partially a thrust piston into said hollow body immediately after said blow moulding operation, wherein said operation of calibrating said inner wall of said hollow body consists of the operation of pressing said intermediate tubular element on the at least one shaped tool previously introduced within said intermediate tubular element obtained through said operation of extruding plastic material; wherein said operations of extrusion, blow moulding and insertion of said thrust piston takes place continuously within one installation of industrial machinery in which conditions of sterilization are maintained.