US 11,930,829 B2
Device and arrangement for optically inspecting articles in the fish and meat processing industry
Roland Pein, Herrnburg (DE)
Assigned to Nordischer Maschinenbau Rud. Baader GmbH & Co. KG, Lübeck (DE)
Appl. No. 16/963,807
Filed by Nordischer Maschinenbau Rud. Baader GmbH + Co. KG, Lübeck (DE)
PCT Filed Jan. 23, 2019, PCT No. PCT/EP2019/051647
§ 371(c)(1), (2) Date Jul. 21, 2020,
PCT Pub. No. WO2019/145367, PCT Pub. Date Aug. 1, 2019.
Claims priority of application No. 102018101835.5 (DE), filed on Jan. 26, 2018.
Prior Publication US 2020/0359637 A1, Nov. 19, 2020
Int. Cl. A22B 5/00 (2006.01); G01N 21/15 (2006.01); G01N 33/12 (2006.01)
CPC A22B 5/007 (2013.01) [G01N 21/15 (2013.01); G01N 33/12 (2013.01); G01N 2021/157 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An apparatus designed and configured for optically inspecting articles in the fish and meat processing industry, comprising:
at least one imaging system which is arranged so as to be encapsulated on all sides in a housing and is configured for optically scanning the articles;
the housing having a transparent viewing window; and
a protective element, forming a light-transmissive channel releasably arranged on an outside of the housing to protect the viewing window from contamination, wherein:
the protective element is arranged on the viewing window and encloses at least one detection zone of the imaging system while maintaining an unobstructed view of the articles,
the protective element comprises a protective element base with a central light transmittance recess and holding means, which are configured in each case to arrange the protective element base releasably on the viewing window, are present on the housing side, and
the holding means are arranged on an inside of the housing and are designed as holding magnets and the protective element base comprises at least in part a magnetic and/or magnetisable material.