Title:
PAN AND METHOD OF PANNING
Document Type and Number:
WIPO Patent Application WO/2018/223011
Kind Code:
A3
Abstract:
A gold pan and method of panning, A concave pan with lip and an array of curved ribs with linear central regions coupled to and extending above and forward from lip, each rib including a cavity oriented to be orthogonal to the concavity of the pan to trap material flowing thereover. The lip has a front region with a greater radius of curvature than a radius of curvature of a back region. There are a plurality of finishing fins extending into an interior of the concave pan from a back wall or side wall thereof. Panning is performed by disposing particulate material within a provided pars; flowing material over the ribs; flowing material over a plurality of finishing fins; collecting particulate material in a corner of a flat bottom; tipping the pan; and tapping a side thereof to separate heavies.
Inventors:
WASHBURN KLINTON D (US)
Application Number:
PCT/US2018/035625
Publication Date:
March 28, 2019
Filing Date:
June 01, 2018
Export Citation:
Assignee:
WASHBURN KLINTON D (US)
International Classes:
B03B5/02
Foreign References:
| US20170008035A1 | 2017-01-12 | |||
| US4162969A | 1979-07-31 | |||
| US5190158A | 1993-03-02 | |||
| US4671868A | 1987-06-09 |
Other References:
CLARE SCOTT: "WhiteClouds Goes for the Gold, Using 3D Printing to Perfect Design for the Gold Claw", 3DPRINT.COM | THE VOICE OF 3D PRINTING / ADDITIVE MANUFACTURING, 7 September 2016 (2016-09-07), pages 1 - 14, XP055584053, Retrieved from the Internet
Attorney, Agent or Firm:
WEBB, Jason P. (US)
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