Plastic nozzle insert consisting of thin material is identical in external shape to internal shape of cartridge nozzle and on lower wider end protrudes to make withdrawal simpler

摘要

The plastic nozzle insert (1) consisting of a thin material is identical in its external shape to the internal shape of a cartridge nozzle (5) and on its lower wider end protrudes (4) to make withdrawal simpler. The nozzle point (2) can be closed or already open.