Cracker roller disc
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United States of America Patent
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Sep 19, 2023
Grant Date -
Jun 3, 2021
app pub date -
Dec 3, 2020
filing date -
Dec 3, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A cracker roller disc has a first portion radially outward of the centre of substantially constant thickness, and a second portion radially outward of the first portion which second portion tapers towards the periphery of the disc. A plurality of upstanding ridges extending radially outward across the second portion on opposed faces of the disc are machined to define respective conical surfaces forming radially extending edges on opposed faces of the disc. The disc is provided with one or more circular or spiral grooves which cut across the edges in a substantially perpendicular direction to the edges. The grooves extend the effective length of each edge.
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