US3649996A - Device for withdrawing blood from bodies of slaughtered animals - Google Patents

Device for withdrawing blood from bodies of slaughtered animals Download PDF

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Publication number
US3649996A
US3649996A US56421A US3649996DA US3649996A US 3649996 A US3649996 A US 3649996A US 56421 A US56421 A US 56421A US 3649996D A US3649996D A US 3649996DA US 3649996 A US3649996 A US 3649996A
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Prior art keywords
knife
blood
container
supporting arm
bodies
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Expired - Lifetime
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US56421A
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English (en)
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Erich Marti
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Individual
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Individual
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    • A—HUMAN NECESSITIES
    • A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
    • A22B—SLAUGHTERING
    • A22B5/00—Accessories for use during or after slaughtering
    • A22B5/04—Blood-collecting apparatus; Blood-stirring devices

Definitions

  • the device comprises a supporting arm moving synchronoully I969 Switzerland 127/69 with a conveying device upon which the slaughtered animal: are suspended.
  • a hollow sticking knife is adjuslably suspended [52] .5.
  • CL ..17/1 C, l28/276 Qn thc guppgflins arm and the yeflical position at th: knife is [5 I] III!- Cl. ..A2Zb 5/0 limited by an anchoring cable, A hon conngclg the knife with (58] FieldolSeerch ..99l2l; 17/1 C; 128/276, 347, a blood collecting container.
  • the conveying device is, at the 128/348 end of the path for the blood withdrawing operation, directed upwards to that the anchor cable automatically removes the sticking knife from the finished body.
  • This invention relates generally to a slaughter-house equipment and, more particularly, to a device for the blood removal from the bodies of slaughtered animals during their transportation on a conveying device.
  • An object of this invention is to provide a far-reaching mechanization and rationalization of the blood withdrawal from the bodies of stunned animals which are suspended and forwarded on a conveying device.
  • Another object of this invention is to provide a practical and germproof device for the blood collection as it is required for a subsequent blood treatment such as, for instance, for the blood plasma manufacturing.
  • Still another object of this invention is to provide an automatic rinsing arrangement for rinsing the blood conducting means.
  • the above mentioned objects are attained by providing at least one projecting arm which is arranged for movement simultaneously with the movement of animals suspended on a conveying device, and which by means of an adjustable cable movably supports a hollow sticking knife.
  • the cable is suspended on the projecting arm and the free end of the cable is loaded with a weight.
  • a hose is connected to the hollow sticking or thrusting knife to discharge the blood from the processed animal into a blood collecting container that is situated at the bottom portion of the device.
  • Another container with a conduit may be located at the top portion of the device near the projecting arm, and a second conduit is connected to the sticking knife to introduce a blood coagulation inhibiting solution therein.
  • FIG. I is a schematic elevational view of a device for the blood withdrawal from the bodies of stunned animals, accord ing to one embodiment ofthis invention
  • FIG. 2 is a schematic elevational view, partly in section, of a portion of another embodiment of the device according to this invention.
  • FIG. 3 is a sectional plan view of the device of FIG. 2 taken along the line III-III;
  • FIG. 4 is an elevational view of the sticking knife of this invention.
  • FIG. 5 is a plan view of the sticking knife of FIG. 4.
  • FIG. I is schematically represented by a rail portion 2 with roller 3 and a book 4, the roller 3 being moved by a chain (not shown).
  • the rail portion 2 has a semicircular configuration of such a diameter as to encircle the blood withdrawing device of this invention, generally designated by reference numeral 5.
  • the device 5 includes a rotatable vertical shaft 6 which is supported in a bearing 8 on the floor, and in a bearing 7 on the ceiling of the slaughter-house, for example. From the top to the bottom of the shaft 6, an upper platlonn 9, horizontally projecting arms 10 with reinforcements II, and a lower platform 12 with radially projecting rods I3 are firmly connected to the periphery of the rotating vertical shaft 6. Containers [4 with a blood coagulation inhibiting solution are situated on the upper platform 9. The lower platform 12, on the other hand, supports the blood collecting containers 15.
  • FIG. I there are shown two projecting arms I0 with the corresponding number of containers 14 and 15. It is evident, however, that the number of these arms 10 and of the containers I4 and I5 around the shaft 6 can be arbitrarily increased in accordance with operational conditions as it may be required in an actual slaughter-house.
  • a sticking knife 20 is operatively associated with each arm I0 and pertaining containers l4 and 15.
  • the sticking knife 20 has a hollow handle and a hollow tapering piercing portion, as it will be described in greater detail later.
  • the handle is connected with a hose 2I through which the blood from the bodies of the slaughtered animals flows into the collecting container 15.
  • Another hose 24 can also be connected at the connection point 23 immediately at the knife 20 and directed upwards to the bottom of the upper container 14 to supply the anticoagulation fluid.
  • the sticking knife 20 is suspended on the projecting arm I0 by means of an upper cable 25 which is guided over rollers 26 and 27, and loaded with a weight 28.
  • an anchor cable 30 is secured between the knife 20 and the end of the rod 13 at the bottom platform 12. The length of this anchor cable 30 determines thus the unactuated position of the sticking knife 20.
  • the actuated position of the knife 20 is shown on the left side of FIG. I.
  • the knife 20 is first lowered to a convenient sticking position and subsequently driven into the carotid artery of the suspended beast. After this operation, the handle of the knife 20 can be let free and the knife will remain in its operation position within the body of the slaughtered animal, since the pull of the weight 28 tensions the upper cable 24 and knife 20, whereas the anchor cable 30 is relieved.
  • the stunned beasts 29 to be slaughtered are conveyed by the conveying device 2, 3 and 4 against the projecting arms 10.
  • the only manual activity consists in driving the sticking knife 20 into the body of the suspended stunned animal 29.
  • the conveying device moves the animal 29 on a semicircular path. Simultaneously, the same path is followed by the ends of the projecting arms 10, as well as by the respective parts which are directly coupled thereto.
  • the rail 2 of the conveying device is directed upwards to a higher level so as to tension the anchor cable 30 and thereby to pull the knife out of the animal's body. This process is repeated for every animal which has been suspended on the conveying device.
  • blood in the hose 21 and in the collecting container 15 is also prevented from coagulating.
  • the device 5 for the blood withdrawal is made in the form of a rotary device which is moved along a correspondingly bent path section of the conveying rail. Nevertheless, the employment of the rotary motion in the device of this invention is by no means compulsory, since it is required only that the projecting supporting arm follow, over a predetermined path section, the path of the conveying device. During the transportation of the animal's body on this path the blood withdrawal from the body is accomplished without any additional manual operation.
  • the device 5 is equipped with a drive 45 which can be embedded, for example, in the floor of the slaughter-house.
  • the drive is preferably formed by an electromotor 46 in conjunction with transmission gears 47 which are coupled to the rotary vertical shaft to adjust its motion to the conveying device.
  • the lower part of the device 5 (FIG. I) can be modified preferably in accordance with the embodiment as shown in FIGS. 2 and 3.
  • Like pans are denoted by identical reference numerals.
  • the rotating vertical shaft 6 supports at its bottom portion a firmly connected cover 50 with uniformly spaced openings in which the ends of respective hoses 2l are held in position.
  • a single blood collecting container 51 is arranged around the shaft 6.
  • the container 51 is stationarily mounted on the floor and is partly covered by a segment 57 (FIG. 3).
  • hoses 21 under the cover 50 are connected to multichannel valves 53, respectively.
  • the hollow portion of the vertical shaft 6 under the cover 50 is extended to form a chamber 56 which is laterally connected through conduits S9 with the individual multichannel valves 53.
  • the bottom of the chamber 56 has an opening with a ring-shaped seal 58.
  • a conduit 54 serving for supplying a rinsing liquid into the chamber 56, passes through the hollow bottom portion of the shaft 6, and is sealed by the seal 58 during rotation of the shaft 6 and the rinsing chamber 56.
  • the multichannel valves 53 are mounted under the cover 50 for rotation above the stationary container and are actuated by projecting controlling levers 60 in such a manner as to open the channel from the blood conducting hose 2] into the open top section of the container 51, whereby the rinsing channel is closed.
  • the multichannel valve 53 passes the area covered by the segment 57, the channel from the hose 21 is closed and, at the same time, another channel from the conduit 59 is opened into the hose 2!. Through the latter channel the rinsing fluid from the rinsing chamber 56 is introduced into the hose 21.
  • This switching operation can be performed fully automatically, by a stationary sliding cam 55, for instance, which is arranged on the sector 57 opposite to the path of movement of the actuat ing lever 60.
  • the lever 60 is engaged by the cam 55 and switches over the channels within the multichannel valve 53 to open the rinsing channel and close the blood conducting channel, as described above.
  • the initial position of the lever 60 is restored and the channels become reversed so that the hose 21 is ready again for conducting blood into the container 51.
  • the blood in the container 51 can be agitated by a suitable stirrer (not shown).
  • FIGS. 4 and 5 there is illustrated in detail the structure of the sticking knife 20.
  • a cylindrical handle portion 22 is separated from a tapering pipe portion 36 by a protecting disc 35.
  • the cables 25 and 30 are affixed to the handle 22 immediately at the junction area of the protecting plate 35.
  • the connection piece 23 for the anticoagulation conduit 24 is also located at that junction area of the handle 22 and the disc 35, instead of at the end of the handles 22, as shown in FIG. 1.
  • the tapering pipe portion 36 of the knife has a frustoconical configuration and at its top end it is pro vided with guiding fingers 37 for guiding and supporting a piercing blade 38.
  • the piercing blade 38 has a flat, pikelike shape and fits into a gap between top end shoes 40 of the fingers 37 and into a notch 41 which is created at the end of the frustoconical pipe 36.
  • a U-shaped wire retainer 42 passes through the blade 38 and its inwardly bent ends are hooked in bores 42' in the side walls of the guiding fingers 37.
  • connection piece 23 can protrude through the inside of the tapering pipe portion 36 as far as to the blade 38 in order that the blood-coagulation inhibiting means from the conduit 24 be added to the blood flowing from the slaughtered animal as early as possible.
  • the angle of the cone of the tapering pipe 36 is relatively sharp, approximately within the range of about degrees. This steep and smooth slope of the tapering knife portion facilitates correct performance of the blood withdrawing operation, without any additional manual attendance. Due to the permanent pull of the cable 25 by the weight 28, and due to the sharp cone of the hollow tapering knife portion 36, the knife 20 is securely held in position within the body 29 of the slaughtered animal and even positively forced therein. As a consequence, the pierced site is completely sealed by the knife so that no blood can leak around.
  • the prior art embodiments of the sticking knife are, in comparison with the structure of the knife 20 of the present invention, complicated and less suitable; they have either counteracting hooks and, for this reason, they are difficult to remove from the animal's body; or they must be provided with a supporting mechanism. In either case, the prior art knife must be manually removed from the slaughtered animal at the end of the blood-letting path.
  • the removal of the sticking knife in the embodiment according to this invention is carried out automatically by raising the conveying trail, as indicated in broken lines at 16 in FIG. 1, without any manual assistance.
  • the entire blood withdrawing process is effected almost fully automatically, with the only exception of the introduction of the sticking knife into the animal's body.
  • considerable saving of labor is attained.
  • the blood which has been collected by the aforedescribed method has minimum germ contamination and is, therefore, more suitable for further processing than the blood acquired by prior art processes.
  • a device for withdrawing blood from the bodies of slaughtered animals during their movement through a section of a predetermined path on conveying means comprising, in combination,
  • At least one supporting arm said supporting arm being driven on said predetermined ath section in concert with said conveying means;
  • suspension means suspending said hollow sticking knife means adjustably on said supporting arm
  • first conduit means coupled to said hollow sticking knife means
  • said first conduit means communicating with said first container means to discharge therein the blood flowing through said knife means when applied into the body of said animal.
  • a device for withdrawing blood from bodies of slaughtered animals further comprising second container means and second conduit means, said second container means containing a fluid for inhibiting the blood coagulation, said second conduit means connecting said second container means with said hollow sticking knife means to introduce said coagulation inhibiting fluid therein.
  • a device for withdrawing blood from bodies of slaughtered animals according to claim 2, said first and second container means being arranged for movement with said supporting arm.
  • said first container means including a stationary container located beneath the outlet of said first conduit means.
  • said multichannel valve means being coupled to said outlet of the first conduit means and to said source of the rinsing fluid, and being controlled to open alternatively said first conduit means into said first container means, and said source of the rinsing fluid into said first conduit means.
  • said suspension means including a cable, guiding rollers secured to said supporting arm for movably supporting said cable, and a weight attached to the free end of said cable to bias said sticking knife means upwardly.
  • said hollow sticking knife means including tapering pipe portion with a smooth surface, a flat blade, said blade being removably connected to the end of said tapering pipe portion, and means for retaining said blade in connection with said tapering pipe portion.
  • a device further comprising a vertical shaft.
  • said shaft being supported for rotation about its axis, said supporting arm being affixed to the top portion of said shaft, whereby said conveying means are adjusted to coincide, on said predetermined path section, substantially with a section of the orbit path of said supporting arm.
  • said means for limiting the vertical position of said sticking knife means is an anchor cable of a predetermined length, said anchor cable counteracting the pull of said suspension cable.
  • a device wherein at the end of said predetermined path section said conveying means are directed upwards so that said suspension cable removes said knife means from the body of the depleted slaughtered animal.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Processing Of Meat And Fish (AREA)
US56421A 1969-07-21 1970-07-20 Device for withdrawing blood from bodies of slaughtered animals Expired - Lifetime US3649996A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1112769A CH510400A (de) 1969-07-21 1969-07-21 Vorrichtung zum Entbluten von Schlachttieren

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US (1) US3649996A (zh)
CH (1) CH510400A (zh)
DK (1) DK130671B (zh)
FR (1) FR2055376A5 (zh)
SE (1) SE358544B (zh)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857137A (en) * 1971-12-22 1974-12-31 R Baud Process and device for extracting blood from slaughtered animals
US3947919A (en) * 1973-07-17 1976-04-06 Ekdahl Per Anders Gosta Plant for the recovery of slaughtered animal blood
US4004322A (en) * 1975-12-17 1977-01-25 Spendlove Laboratories Aseptic serum collection method
US4617700A (en) * 1983-03-14 1986-10-21 Orszagos Husipari Kutatointezet Process and apparatus for the hygienic extraction and collection of animal blood fit and unfit for human consumption
US4987641A (en) * 1989-05-19 1991-01-29 Nederlandse Organisatie Voor Toegepastnatuurwetenschappelijk Onderzoek Tno Device for sticking slaughter animals
US5250004A (en) * 1989-05-22 1993-10-05 Anitec-John Sjoberg Ab Device for withdrawing blood from slaughter animals
US5267889A (en) * 1989-12-29 1993-12-07 Anitec-John Sjoberg Ab Slaughtered animal sticking knife and blood-extracting arrangement therefor
US6340354B1 (en) * 1996-05-17 2002-01-22 Christopher L Rambin Automated compulsory blood extraction system
US20070197154A1 (en) * 2004-07-28 2007-08-23 Crane Jeffrey A Method and apparatus for processing animals
CN101156614B (zh) * 2007-11-05 2010-05-19 上海乐衍利科贸有限公司 一种用于屠宰的中空刀的双转动刀架装置
CN104509573A (zh) * 2015-01-21 2015-04-15 朱学成 鸡血收集机
CN113229312A (zh) * 2021-06-20 2021-08-10 湖南金桂建设有限公司 一种能保持血液卫生的屠宰刀具

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114504013B (zh) * 2022-03-04 2023-03-24 浙江大学 一种真空无菌采血回收装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1428672A (en) * 1920-03-02 1922-09-12 Wilson Slaughtering Device Co Method and apparatus for removing blood from animals in process of slaughtering
US1963097A (en) * 1928-05-14 1934-06-19 Edgar A Poe Hog bleeding and defibrinating apparatus
US3292205A (en) * 1964-06-17 1966-12-20 Rizzi Luis Combined slaughtering and blood extraction device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1428672A (en) * 1920-03-02 1922-09-12 Wilson Slaughtering Device Co Method and apparatus for removing blood from animals in process of slaughtering
US1963097A (en) * 1928-05-14 1934-06-19 Edgar A Poe Hog bleeding and defibrinating apparatus
US3292205A (en) * 1964-06-17 1966-12-20 Rizzi Luis Combined slaughtering and blood extraction device

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857137A (en) * 1971-12-22 1974-12-31 R Baud Process and device for extracting blood from slaughtered animals
US3947919A (en) * 1973-07-17 1976-04-06 Ekdahl Per Anders Gosta Plant for the recovery of slaughtered animal blood
US4004322A (en) * 1975-12-17 1977-01-25 Spendlove Laboratories Aseptic serum collection method
US4617700A (en) * 1983-03-14 1986-10-21 Orszagos Husipari Kutatointezet Process and apparatus for the hygienic extraction and collection of animal blood fit and unfit for human consumption
US4987641A (en) * 1989-05-19 1991-01-29 Nederlandse Organisatie Voor Toegepastnatuurwetenschappelijk Onderzoek Tno Device for sticking slaughter animals
US5250004A (en) * 1989-05-22 1993-10-05 Anitec-John Sjoberg Ab Device for withdrawing blood from slaughter animals
US5267889A (en) * 1989-12-29 1993-12-07 Anitec-John Sjoberg Ab Slaughtered animal sticking knife and blood-extracting arrangement therefor
US6340354B1 (en) * 1996-05-17 2002-01-22 Christopher L Rambin Automated compulsory blood extraction system
US20070197154A1 (en) * 2004-07-28 2007-08-23 Crane Jeffrey A Method and apparatus for processing animals
US7591718B2 (en) * 2004-07-28 2009-09-22 Mpsc, Inc. Method and apparatus for processing animals
CN101156614B (zh) * 2007-11-05 2010-05-19 上海乐衍利科贸有限公司 一种用于屠宰的中空刀的双转动刀架装置
CN104509573A (zh) * 2015-01-21 2015-04-15 朱学成 鸡血收集机
CN113229312A (zh) * 2021-06-20 2021-08-10 湖南金桂建设有限公司 一种能保持血液卫生的屠宰刀具

Also Published As

Publication number Publication date
DE2035019B2 (de) 1976-10-07
DK130671C (zh) 1975-09-01
SE358544B (zh) 1973-08-06
CH510400A (de) 1971-07-31
FR2055376A5 (zh) 1971-05-07
DE2035019A1 (de) 1971-01-28
DK130671B (da) 1975-03-24

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