Two step moulding teat cleaner
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United States of America Patent
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Feb 15, 2022
Grant Date -
May 30, 2019
app pub date -
Oct 23, 2017
filing date -
Oct 27, 2016
priority date (Note) -
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Abstract
A method and teat cleaner for producing, by injection moulding, a teat cleaner of a teat cleaning cup that includes an inner body forming a central cavity for enclosing a teat, an exterior part, and channels therebetween for injection moulding the inner body in a first tool having a core, sliders that each include a protrusion for forming an aperture in the inner body, and channel walls, and an outer casting mould; separating the inner body from the first tool; placing the inner body in a second tool that includes a casting mould and rods; inserting the rods for forming the channels; fixating the rods; and injection moulding the exterior part in the second tool; separating the second tool from the fused teat cleaner; and removing the rods.
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