CA2499857A1 - Loin puller with two separate cutting blades - Google Patents

Loin puller with two separate cutting blades Download PDF

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Publication number
CA2499857A1
CA2499857A1 CA 2499857 CA2499857A CA2499857A1 CA 2499857 A1 CA2499857 A1 CA 2499857A1 CA 2499857 CA2499857 CA 2499857 CA 2499857 A CA2499857 A CA 2499857A CA 2499857 A1 CA2499857 A1 CA 2499857A1
Authority
CA
Canada
Prior art keywords
loin
blade
pullet
arcuate
improved
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA 2499857
Other languages
French (fr)
Other versions
CA2499857C (en
Inventor
Marcel Couture
Yvon Dufour
Jean-Guy Roy
Patrick Fauret
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GE Leblanc Inc
Original Assignee
GE Leblanc Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CA002460547A external-priority patent/CA2460547A1/en
Application filed by GE Leblanc Inc filed Critical GE Leblanc Inc
Priority to CA2499857A priority Critical patent/CA2499857C/en
Publication of CA2499857A1 publication Critical patent/CA2499857A1/en
Application granted granted Critical
Publication of CA2499857C publication Critical patent/CA2499857C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
    • A22C—PROCESSING MEAT, POULTRY, OR FISH
    • A22C17/00—Other devices for processing meat or bones
    • A22C17/004—Devices for deboning meat
    • A—HUMAN NECESSITIES
    • A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
    • A22B—SLAUGHTERING
    • A22B5/00—Accessories for use during or after slaughtering
    • A22B5/0005—Eviscerating devices, e.g. removing rectum, anus, intestines, brain tissue, hypophysis

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Knives (AREA)

Abstract

Disclosed is a loin pullet for trimming off the backfat of a loin that has been scribed from a belly. This loin pullet has a frame on which is mounted a conveying system for engaging the loin and moving it towards a cutting zone. In this zone, a cutting tool is mounted for engaging the loin when it is moved by the conveying system, and for cutting the backfat to be trimmed off from the loin, with the so-cut backfat remaining attached to the belly. The cutting tool has two blades that are preferably controlled independently from each other. One of these blades is arcuate and positioned onto the frame so as to engage at least one part of the loin from a side of the loin opposite to the belly, and to cut the backfat to be trimmed from the loin. The other blade is L-shaped and positioned onto the frame so as to engage another part of the loin and cut the backfat to be trimmed thereof directly from the scribing line just below the back ribs of the loin. Both of the blades are long enough so as to ensure that all the backfat of the loin be trimmed off.

Claims (16)

1. In a loin puller for trimming off the backfat of a loin that has been scribed from a belly along a scribing line, the loin comprising backribs adjacent to the scribing line, said loin puller comprising:
- a frame;
- a conveying system mounted onto the frame for engaging the loin and moving it towards a cutting zone; and - a cutting tool mounted onto the frame in the cutting zone for engaging the loin when said loin is moved by the conveying system and for cutting the backfat to be trimmed off from said loin, with the so-cut backfat skin remaining attached to the belly, the improvement wherein said cutting tool comprises two blades, one of said blades being arcuate and positioned onto the frame so as to engage at least one part of the loin from a side of said loin opposite to the belly, and cut the backfat to be trimmed from said one part, the other one of said blades being L-shaped and positioned onto the frame so as to engage another part of the loin and cut the backfat to be trimmed thereof directly from the scribing line just below the back ribs of said loin, both of said blades being long enough so as to ensure that all the backfat of the loin be trimmed off.
2. The improved loin puller of claim 1, further comprising two independent control systems for adjusting the respective positions of the blades independently from each other
3. The improved loin puller of claim 2, wherein the two control systems are operated by an automatic measurement system.
4. The improved loin puller of claim 3, wherein the automatic measurement system comprises a roller mounted onto an arm that extends vertically over the conveying system so as to contact the loin close to the scribing line and thus permit to determine the thickness of said loin.
5. The improved loin pullet of claim 3, wherein the automatic measurement system comprises a laser beam that projects downwardly from the frame onto the loin close to the scribing line so as to determine the thickness of said loin.
6. The improved loin pullet of claim 3, wherein the automatic measurement system comprises an ultrasonic system that projects downwardly from the frame onto the loin close to the scribing line so as to determine the thickness of said loin.
7. The improved loin pullet of any one of claims 1 to 6, wherein the L-shaped blade has a vertical portion with a front cutting edge that extends at an angle downwardly rearwardly, and a horizontal portion with a front cutting edge of triangular shape that extends frontwardly towards the loin that is moved by the conveying system.
8. The improved loin pullet of any one of claims 1 to 7, wherein the arcuate cutting blade has a front groove in which is detachably inserted a foldable piece of metal having a front sharpened cutting edge.
9. The improved loin pullet of any one claims 1 to 8, wherein the L-shaped blade extends upstream of the arcuate blade in order to cut part of the loin close to where it has been scribed, before the arcuate blade engages said loin.
10. The improved loin pullet of claim 9, wherein the arcuate blade that extends behind the L-shaped blade, has two opposite ends connected to the frame and is shaped so as to engage the loin and cut the backfat to be trimmed thereof between the side of said loin opposite the belly and the scribing line.
11. The improved loin pullet of claim 9, wherein the arcuate blade that extends behind the L-shaped blade, has one end connected to the frame and another end that extends close to the L-shaped blade.
12. The improved loin pullet of claim 11, wherein the free end of the arcuate blade is connected to the L-shaped blade.
13. The improved loin pullet of claim 11, wherein the free end of the arcuate blade is slideably connected to the L-shaped blade;
14. The improved loin pullet of claim 11, wherein the free end of the arcuate blade is pivotably connected to a pin that projects horizontally rearwardly from the L-shaped blade.
15. The improved loin pullet of any one of claims 12 to 14, wherein the arcuate blade is flexible and the L-shaped blade is rigid.
16. The improved loin pullet of any one of claims 2 to 8, wherein:
- the L-shaped blade extends upstream of the arcuate blade in order to cut part of the loin close to where it has been scribed, before the arcuate blade engages said loin;
- the arcuate blade that extends behind the L-shaped blade, has one end connected to the frame and another end that extends close to the L-shaped blade;
- the free end of the arcuate blade is pivotably connected to a pin that projects horizontally rearwardly from the L-shaped blade; and - the arcuate blade is flexible and the L-shaped blade is rigid;
whereby in use, respective adjustments of the arcuate blade and of the L-shaped blade by their respective control systems permit to modify the arcuate shape of the arcuate blade and thus to adapt its cutting to the loin to be trimmed off.
CA2499857A 2004-03-10 2005-03-09 Loin puller with two separate cutting blades Active CA2499857C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2499857A CA2499857C (en) 2004-03-10 2005-03-09 Loin puller with two separate cutting blades

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA2,460,547 2004-03-10
CA002460547A CA2460547A1 (en) 2004-03-10 2004-03-10 Loin puller with two separate cutting blades
CA2499857A CA2499857C (en) 2004-03-10 2005-03-09 Loin puller with two separate cutting blades

Publications (2)

Publication Number Publication Date
CA2499857A1 true CA2499857A1 (en) 2005-09-10
CA2499857C CA2499857C (en) 2012-07-10

Family

ID=34976987

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2499857A Active CA2499857C (en) 2004-03-10 2005-03-09 Loin puller with two separate cutting blades

Country Status (1)

Country Link
CA (1) CA2499857C (en)

Also Published As

Publication number Publication date
CA2499857C (en) 2012-07-10

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