Food or edible material: processes – compositions – and products – Processes – Treatment or preparation of farinaceous dough – batter – or...
Patent
1996-03-20
1998-06-16
Cano, Milton
Food or edible material: processes, compositions, and products
Processes
Treatment or preparation of farinaceous dough, batter, or...
426500, 426512, 426517, 425323, 425391, 425403, 425470, A21C 308
Patent
active
057666636
DESCRIPTION:
BRIEF SUMMARY
This invention relates to a process and a device for producing pretzels from cut lengths of dough supplied in stretched form.
From DE 32 08 105 A1 a process and a machine for shaping a length of dough into a pretzel is known. There a straight length of dough is deposited on a holding body which is bent upward in a semicircular shape, by which the length of dough assumes a wave shape with the ends of the length pointing away from one another. The ends of the length are held between pairs of clamps which are then moved toward one another so that the length of dough is formed into an omega shape. The clamp arrangement is then turned 360.degree., by which twisting is accomplished. Then the holding body is swivelled forward and at the same time drawn back so that the transition sections of the length of dough are shifted to one side and the middle part of the length to the other side in order to shape the pretzel. With this device and according to the aforementioned process pretzels cannot be shaped in the desired precision and accuracy. Uncontrolled deposition on the holding body and even more bringing together the ends of the length of dough into an omega shape in relatively unguided manner do not allow any clear-cut, defined pretzel shape which is however desired by the customer. Entwining of the suspended ends of the length of dough with clamps to form the 360.degree. twisting and subsequent swivelling and shifting of the parts of the device relative to one another takes place unguided such that a wide quality range of pretzels is possible. A large part of the pretzels formed in this way must be considered scrap and cannot be sold.
DE 39 06 310 A1 describes a device and a process for looping of pretzels from a cut length of dough with an especially thickened middle section and two free ends. The device described there consists essentially of two plates which are arranged to one another such that the first plate can turn 360.degree. around its middle axis and the second plate can be folded around an axis which runs perpendicularly to the axis of rotation of the first plate onto the latter. The first plate thus has a shaping element which corresponds to the shape of a pretzel. Here on the one hand the first plate which carries one shaping element is rotated, in which there are no means at all for keeping the length of dough in its position so that it is doubtful whether after 360.degree. rotation of the first plate the length of dough still lies on the plate. On the other hand, a swivel motion of the second plate is also accomplished here, in which the ends of the length of dough lie loosely on the second plate and in no way during swivelling are guided onto the first plate so that a satisfactorily shaped pretzel cannot be expected. The pretzel looping device described here on the other hand is expensive since here two plates must be moved for shaping and on the other hand it is still not reliable enough to produce a larger number of uniformly shaped pretzels in a quick succession.
DE 38 41 395 C1 describes a process and a device for producing pretzels using a photoelectric barrier which is used for measuring the length of the strand of dough and using a frame which can move in the feed direction of the length of dough for a mounting which is rotary positioned thereon with at least two movable suction cups and a control arrangement which controls the position of the suction cups as a function of the length of the dough strand measured beforehand. The device also has a swivel arrangement for the working platform which is used for shaping. In this case the longitudinal extension of the length of dough is measured to determine the position prescribed for the suction cups. The suction cups guided to the ends of the length of dough grip the ends of latter, then raise them and entwine them then on the basis of a rotary motion of a carrier to which the suction cups are attached with simultaneous translational displacement of the working platform. As in the two devices discussed above, defined guidance of the length
REFERENCES:
patent: 2114951 (1938-04-01), Young et al.
patent: 5009910 (1991-04-01), Zwicker
patent: 5492708 (1996-02-01), Hemmerich
patent: 5494428 (1996-02-01), Piller
patent: 5556660 (1996-09-01), Schutz
patent: 5580599 (1996-12-01), Fehr
Neumann Andreas
Vranyoczky Attila
Cano Milton
Hans-Werner Hausdorf
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