Search International and National Patent Collections

1. (WO2018080379) TWO STEP MOULDING TEAT CLEANER

Pub. No.:    WO/2018/080379    International Application No.:    PCT/SE2017/051036
Publication Date: Fri May 04 01:59:59 CEST 2018 International Filing Date: Tue Oct 24 01:59:59 CEST 2017
IPC: A01J 7/04
Applicants: DELAVAL HOLDING AB
Inventors: ADRIANSSON, Frank
Title: TWO STEP MOULDING TEAT CLEANER
Abstract:
Method (700) and teat cleaner (500) for producing a teat cleaner (500) of a teat cleaning cup (130) by injection moulding, comprising an inner body (270), forming a central cavity (280) for enclosing a teat (120), an exterior part (220) and channels (290) in-between. The method (700) comprises: moulding (701) the inner body (270) in a first tool (300), comprising a core (310); sliders (320) for forming channel walls (330), each slider comprising a protrusion (340) for forming an aperture (275) in the inner body (270); and an outer casting mould (350); separating (702) the inner body (270) from the first tool (300); placing (703) the inner body (270) in a second tool (400) comprising a casting mould (420) and rods (410); inserting (704) the rods (410) for forming the channels (290); fixating (705) the rods (410); moulding (706) the exterior part (220) in the second tool (400); separating (707) the second tool (400) from the fused teat cleaner (500); and removing (708) the rods (410).