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Machine for the manufacture of twisted dough articles
| Details |
Inventors: Riviere, Jacques; Simon, Raymond;
Assignee: Lu, Brun & Associes S.A. (Athis-Mons, FR)
Primary Examiner: Husar; Francis S.
Assistant Examiner: Rowold; Carl
Attorney, Agent or Firm: Kelman; Kurt
A machine for the manufacture of twisted pastry bars comprises coplanar and spaced-apart supply and discharge belts, the supply belt being advanced intermittently to convey a strip of dough to a cutting station where the strip is cut into successive, transversely extending ribbons. Pairs of facing upper and lower conveyor belts are positioned between the supply and discharge belts, the conveyor belts defining therebetween a coplanar bed for conveying the successive ribbons to the discharge belt which supports and removes the twisted bars. While the ribbons are entrained by the facing conveyor belts, they are gripped at spaced positions against transverse displacement. Twisting devices are positioned in the clear longitudinal passage defined between the facing conveyor belts, each device comprising facing upper and lower belts in alignment with the passage and cooperating to grip the ribbons against transverse displacement, and being turnable about a transverse axis to twist portions of the ribbon adjacent to the gripped portions. Devices for flattening the twisted ribbon portions are arranged between the twisting devices and the discharge belt. |
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DETAILED DESCRIPTION What we claim is: 1.
A machine for manufacturing twisted bars from a strip of a pastry-like material, comprising a.
a supply belt supporting the striip and having a discharge end, b.
a discharge belt supporting and removing the twisted bars, the discharge belt being coplanar with the supply belt and spaced therefrom, c.
means for cutting the strip into successive, transversely extending ribbons, the cutting means being positioned adjacent the discharge end of the supply belt, d.
pairs of facing upper and lower conveyor belts defining therebetween a bed for conveying the successive ribbons from the discharge end of the supply belt to the discharge belt, the bed being coplanar with the supply and discharge belts and being positioned therebetween, 1.
a clear longitudinal passage for the ribbons being defined between the facing conveyor belts and 2.
the facing belts cooperating to entrain the ribbons from the supply to the discharge while gripping them at transversely spaced positions in the passage against displacement, e.
a twisting device positioned in the longitudinal passage between the transversely spaced positions, the twisting device comprising 1.
facing upper and lower belts, the upper and lower twisting device belts defining a clear longitudinal passage for alignment with the clear longitudinal passage defined between the conveyor belts and cooperating to grip the ribbons against displacement, and 2.
means for turning the cooperating twisting device belts about a transverse axis extending in the plane of the bed while a respective one of the ribbons is gripped therebetween to twist an adjacent portion of the gripped ribbon, and f.
means for flattening the twisted ribbon portion arranged between the twisting device and the discharge belt.
2.
The machine of claim 1, further comprising an input conveyor belt for conveying the successive ribbons from the discharge end of the supply belt to the twisting device, and a pair of facing output conveyor belts delivering the twisted ribbons from the twisting device to the discharge belt
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