Method and device for stunning of poultry
AssigneeStork PMT B.V.
InventorsJenneke A. C. Lankhaar, Adrianus J. van den Nieuwelaar
Life of this patent
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Abstract
Method and device for stunning poultry (8a, 8b, 8c, 8d), which poultry are taken into a first chamber (23) by means of a conveyer (2, 6), which chamber contains a first straining gas or gas mixture which is mixed with oxygen, and are subsequently taken into a a second chamber (33) which is essentially separated from the first chamber as regards gas and which contains a second stunning gas or gas mixture for increasing the stunning achieved in the first chamber.
Claims24
A device for stunning poultry, comprising a first chamber and a second chamber and having one or more openings through which the poultry can be taken into the first and second chambers, respectively, and removed therefrom, the first chamber comprising sealing means for generally sealing the openings of the first chamber, and being provided with means for feeding in a first stunning gas or gas mixture which is mixed with oxygen in a concentration of at least 15% by volume fed in by oxygen supply means, and the second chamber being provided with means for feeding in a second stunning gas or gas mixture, and mechanical conveying means being provided for taking the poultry into and out of the first and second chambers.
A device for stunning poultry, comprising:
- (a) a first chamber
- (b) a second chamber,
- each of the chambers having at least one opening through which the poultry can be placed within or removed from the chamber and at least one first chamber opening coinciding with at least one second chamber opening,
- (c) a means for feeding into the first chamber a first stunning gas or gas mixture which contains oxygen in a concentration of at least 15% by volume, and
- (d) a means for feeding into the second chamber a second stunning gas or gas mixture.
A device for stunning poultry, comprising:
- (a) a first chamber
- (b) a second chamber,
- each of the chambers having at least one opening through which the poultry can be placed within or removed from the chamber,
- (c) a strip curtain sealing at least one of the openings,
- (d) a means for feeding into the first chamber a first stunning gas or gas mixture which contains oxygen in a concentration of at least 15% by volume, and
- (e) a means for feeding into the second chamber a second stunning gas or gas mixture.
A device for stunning poultry, comprising:
- (a) a first chamber
- (b) a second chamber,
- each of the chambers having at least one opening through which the poultry can be placed within or removed from the chamber,
- (c) an air curtain sealing at least one of the openings,
- (d) a means for feeding into the first chamber a first stunning gas or gas mixture which contains oxygen in a concentration of at least 15% by volume, and
- (e) a means for feeding into the second chamber a second stunning gas or gas mixture.
A device for stunning poultry, comprising:
- (a) a first chamber
- (b) a second chamber,
- each of the chambers having at least one opening through which the poultry can be placed within or removed from the chamber,
- (c) a means for feeding into the first chamber a first stunning gas or gas mixture which contains oxygen in a concentration of at least 15% by volume, and
- (d) a means for feeding into the second chamber a second stunning gas or gas mixture,
- wherein the first stunning gas or gas mixture is prepared by removing a portion of the gas or gas mixture from the second chamber and mixing it with oxygen.
Dependencies are inferred from the claim text.