1986-04-10
1988-05-31
Abercrombie, Willie G.
17 38, A22C 1104
Patent
active
047471867
DESCRIPTION:
BRIEF SUMMARY
This invention relates to a method and apparatus for stuffing sausages. Sausages have proved to be an extremely popular foodstuff. Many thousands of varieties of sausages are produced and they are consumed throughout most parts of the world.
Most sausages consumed today are produced commercially in large factories where the ingredients are stuffed into the casings with the aid of a stuffing horn as is well understood in the art.
In a typical commercial operation the sausage mix is extruded from a grinder into a stuffing horn which has its outlet positioned within a sausage casing which is retained on the horn by various means. When the casing has been filled it is removed from the horn and divided into appropriate lengths. Casing lengths of 15 to 20 centimeters are quite common and in consequence great care has to be exercised in retaining the casing on the horn until the whole length has been properly filled otherwise voids occur which are unacceptable in a commercially vended product.
Over recent years it has become customary for many users to produce their own sausages by using small domestic type grinders which have a stuffing horn attachment fitted thereto. Many of these grinders are manually operated and it is extremely difficult for one person to operate such equipment.
One particular problem is that the grinder has to be continuously fed with sausage mix, the operating handle of the grinder rotated while simultaneously holding the sausage casing on the stuffing horn. A multiplicity of operations therefore has to be performed simultaneously and in consequence it usually requires two persons to satifactorily produce sausages of good quality when using this type of equipment.
The use of electrically powered grinders has constituted some improvement however there still remains the problem of simultaneously feeding the grinder while retaining the sausage casing on the stuffing horn to provide a good quality sausage.
There has in consequence been a need to develop a method and apparatus for simply and economically producing sausages of good quality with equipment which is inexpensive and can be operated by unskilled persons.
The invention from one aspect therefore provides a method of stuffing a sausage casing which comprises the steps of loading a sausage mix into the cylinder of a stuffing horn, the cylinder having a piston inserted therein from one end with its piston rod extending outside the cylinder from said one end, the piston rod having actuating means in engagement therewith to force said piston through said cylinder towards the other end of said cylinder, said other end being closed by an end cap having a nozzle thereon which communicates with the interior of said cylinder, positioning and holding an empty sausage casing on said nozzle and operating said actuating means to force said piston through said cylinder whereby the sausage mix is extruded from said nozzle to fill said casing, removing the casing from said nozzle and dividing said filled casing into lengths to form a sausage.
The invention from another aspect comprises a horn for stuffing sausages consisting of a cylinder open at both ends, a piston inserted in one end thereof with its piston rod passing through a first end cap closing said one end, the piston rod having actuating means connected thereto to cause said piston to move through said cylinder to the other end thereof, a second end cap closing the other end of the cylinder, said second end cap having a nozzle extending therefrom and communicating with the interior of said cylinder.
Preferably the piston rod has rack teeth thereon in engagement with an actuating lever fixed to said first end cap, a locking plate in said first end cap and in engagement with said teeth to normally retain the piston in a selected position but movable on actuation of said lever which causes said piston to move through said cylinder to the other end thereof.
The invention from a still further aspect resides in a kit for the manufacture of sausages comprising a horn as hereinbefore set forth and pa
REFERENCES:
patent: 497127 (1893-05-01), Matthews et al.
patent: 859535 (1907-07-01), Zimmers
patent: 2340433 (1944-02-01), Skinner
patent: 2933221 (1960-04-01), Rand et al.
patent: 3774816 (1973-11-01), Bratton
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