Plastic article or earthenware shaping or treating: apparatus – Dough divider type including trap chamber
Patent
1993-06-08
1995-02-28
Mackey, James P.
Plastic article or earthenware shaping or treating: apparatus
Dough divider type including trap chamber
92112, 141 27, 141284, 425448, A21C 502
Patent
active
053932188
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention concerns measuring equipment for lumps or pieces of dough in a volumetric sense from a funnel-shaped container sufficiently filled with dough, sliding horizontally over the dough dividing part, which consists of a cylindrical measuring chamber enclosing an up and down movable piston-shaped body.
2. Related Art
The equipment is a further surprising development of the dough divider similar to that shown in Dutch TIL nos. 9 000 440 and 9 002 243 being "Equipment for measuring out lumps of dough usually called dough divider" and "Method for equipment for measuring lumps of dough, usually called dough divider", respectively.
In the first named Dutch TIL no. 9 000 440, the dough divider is completely described for the model that is most practical and attractive for use. In this TIL the main parts have been described, being a container filled with dough, which is within a certain range horizontally moveable across a measuring device positioned therebelow, consisting of a more or less vertically placed cylindrical-shaped measuring chamber (measuring cylinder), which contains an up and down moveable piston-shaped body. In the container facilities have been fitted, which facilities optimally improve the supply to the measuring device. The measuring device contains specific means, in the first place, to optimize the determination of the volume of the dough. The head of the piston contains a filter and at least one drilled hole to suck the dough into the cylindrical measuring chamber, and to optimally press the dough out later.
In the second mentioned Dutch TIL no. 9 002 243 the working of the measuring cylinder has been further modified so that the quantity of dough in the measuring cylinder is adjustable within even smaller ranges. This means that the suction and pressing of the dough piece with the concerning means have been reasonably optimized.
Field tests with the aforementioned equipment showed however that, with longterm use, starches from the dough started to accumulate inside the filters in the piston head, which leads to a decrease of the suction action of the piston head, thus gradually causing irregularities in the volume of the dough piece.
SUMMARY OF THE INVENTION
In order to eliminate abovementioned problem with the earlier developed measuring equipment, a measuring device according to the present invention has been surprisingly further developed in such a manner, that the cylindrical body comprises a specific piston with an upper and lower part. The sidewall of the piston-shaped body has an annular-shaped recess, whereby the height extends over the top and lower part of the piston. In the head of the piston, more specificly in the upper part facing towards the lower part, also at the interface between aforementioned piston parts, a system of channels has been placed diametrically crosswise leading towards the mentioned recess in the sidewall of the piston, while the channel system is connected with the bottomside of the piston by means of a bore.
The great advantage of the embodiment is that a measuring device has been created producing very precisely measured dough pieces for a longterm period, which is of great importance for all bakeries. The location of the suction-/compression channels guarantees that the dough divider functions in the most optimal sense.
Further, the device according to the invention has been further developed in such a way that in the annular-shaped recess in the sidewall of the piston, an annular-shaped filter has been fitted as deep as possible.
The advantage of this is that pieces of dough which get between the cylinder wall and piston will be caught by the filter and will be, during the compression phase, blown out uniformly, so that no more blocking can occur. This uniformly clean-blowing is possible due to the cylinder wall behind it.
The device according to the invention has been further developed in such a way that the bore in the bottom side of the piston is connected by means of a helical-shaped r
REFERENCES:
patent: 1954501 (1934-04-01), Steere
patent: 2937663 (1960-05-01), Ashton et al.
patent: 3327906 (1967-06-01), Gomann
patent: 3364879 (1968-01-01), Atwood
patent: 4146067 (1979-03-01), Ziegler
patent: 4391576 (1983-07-01), Cummins
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