Patent US4704768A successfully refreshed from Google Patents.
US4704768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Decropping apparatus
Assignee: Marel Poultry BV
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Filing: 1986-05-27
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Granted: 1987-11-10
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Expires: 2006-05-27
Abstract
Abstract Method and device for removing the crop from the neck of slaughtered poultry, using an extractor to be inserted into the neck of the poultry, having a number of radially projecting parts and surrounded by a sheath with a longitudinal cutout.
Inventors
- 👤 Gerardus T. M. Hutting
- 👤 Engelbertus J. J. M. Smulders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:58
CPC Classifications
A; A22; A22C; A22C21/00; A22C21/06
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
75 words
An extraction apparatus for removing inedible and undesirable parts from the neck of slaughtered poultry which have been degutted through an opening at the vent comprising: means for suspending slaughtered birds by their legs; a rotationally drivable extractor surrounded by a non-rotating protective sheath having a cross-section adapted to be passed through the neck of the bird, the protective sheath having a longitudinal cut-out provided in one position; and drive means for driving the extractor.
Claim 2
Dependent Claim
75 words
An extraction apparatus for removing inedible and undesirable parts from the neck of slaughtered poultry which have been degutted through an opening at the vent comprising: means for suspending slaughtered birds by their legs; a rotationally drivable extractor surrounded by a non-rotating protective sheath having a cross-section adapted to be passed through the neck of the bird, the protective sheath having a longitudinal cut-out provided in one position; and drive means for driving the extractor.
Claim 3
Dependent Claim
30 words
Extraction means according to claim 1, in which the rotating extractor and the protective sheath are mounted and joined to be immovable relative to one another in the longitudinal direction.
Claim 4
Dependent Claim
20 words
Extraction means according to claim 2, in which the protective sheath is fastened to be adjustable about its longitudinal axis.
Claim 5
Dependent Claim
41 words
Extraction means according to claim 2, in which the longitudinal cutout in the protective sheath is disposed at the end remote from the drive side, said end being rounded and closed, while leaving free an opening connected to the longitudinal cutout.
Claim 6
Dependent Claim
46 words
Extraction means according to claim 1, in which the rotating extractor is provided, at least at the site of the cutout in the protective sheath, with one or more substantially radially projecting parts, which with a certain clearance extend to the inside of the protective sheath.
Claim 7
Dependent Claim
30 words
Extraction means according to claim 5, in which the projecting parts are in the form of blades whose surface is substantially parallel to the axis of rotation of the extractor.
Claim 8
Dependent Claim
29 words
Extraction means according to claim 5, in which the projecting parts are in the form of one or more helical surfaces around the axis of rotation of the extractor.
Claim 9
Dependent Claim
83 words
An installation system for removing inedible and undesirable parts from the neck of slaughtered poultry which have been degutted through an opening at the vent comprising: a conveyor means for carrying slaughtered poultry suspended thereon by the legs; a conveyor guide means; a rotationally drivable extractor surrounded by a non-rotating protecting sheath having a cross-section adapted to be passed through the neck of the bird, the sheath being provided with a longitudinal cut-out in one position; and drive means for driving the extractor.
Claim 10
Dependent Claim
83 words
An installation system for removing inedible and undesirable parts from the neck of slaughtered poultry which have been degutted through an opening at the vent comprising: a conveyor means for carrying slaughtered poultry suspended thereon by the legs; a conveyor guide means; a rotationally drivable extractor surrounded by a non-rotating protecting sheath having a cross-section adapted to be passed through the neck of the bird, the sheath being provided with a longitudinal cut-out in one position; and drive means for driving the extractor.
Claim 11
Dependent Claim
30 words
The installation system of claim 8 further comprising an auxiliary holder adapted to be resiliently pressed against the outside of the poultry neck approximately at the site of the crop.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-11-09 | 1991-05-11 | 1991-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-11-09 | 1995-05-11 | 1995-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-11-09 | 1999-05-11 | 1999-11-10 | $7700.00 | Window Closed / Lapsed |