Abstract: An oven for continuous cooking of products carried upon a open mesh wire conveyor provides the impingement of a cooking vapor from air discharge structure having ports arrayed above and below the conveyor. The discharge ports extend laterally of the conveyor and communicate with upper and lower plenums each charged by blower fans which draw cooking vapor from low pressure corridors alongside the product conveyor. Gas, electric or thermo fluid heaters are disposed in the corridors. The discharge ports are in slot form disposed about the apex of a Vee shaped riser spaced from the adjacent riser to provide a low pressure flow channel communicating with the corridors giving a rapid velocity change of the cooking vapor from turbulent to a less turbulent flow. The distance for vapor travel between the upper discharge ports and the product carrying conveyor is variable. Temperature and moisture content of the process vapor can be changed to suit cooking conditions.

Abstract: An oven for continuous cooking of products carried upon a open mesh wire conveyor provides the impingement of a cooking vapor from air discharge structure having ports arrayed above and below the conveyor. The discharge ports extend laterally of the conveyor and communicate with upper and lower plenums each charged by blower fans which draw cooking vapor from low pressure corridors alongside the product conveyor. Gas, electric or thermo fluid heaters are disposed in the corridors. The discharge ports are in slot form disposed about the apex of a Vee shaped riser spaced from the adjacent riser to provide a low pressure flow channel communicating with the corridors giving a rapid velocity change of the cooking vapor from turbulent to a less turbulent flow. The distance for vapor travel between the upper discharge ports and the product carrying conveyor is variable. Temperature and moisture content of the process vapor can be changed to suit cooking conditions.

Abstract: A process and apparatus for preparing a snack food product by baking and without the use of cooking oil, begins with preparation of potatoes, carrots, bananas, etc, into slices, which are surface de-watered before exposure to a high intensity heat source including infra red or open flame at about 1400 F. to blanch the slices and halt enzyme action before exposing the slices to hot, dry air impingement until the slices are reduced in moisture to about 10 to 35%, while the slices are maintained in a mono layer. Then the slices are aggregated into a pack and dried in hot dry air until the moisture content of the slices has been reduced to about 0.5 to 2%.The apparatus includes an insulated housing with a product conveyor belt extending therethrough. A combination of overhead infra-red burners and underneath open flame burners are positioned to create a high energy heat zone along one length of the belt.

Abstract: The apparatus for preparing a snack food product without the use of cooking oil includes an insulated housing with a product conveyor extending therethrough. A combination of overhead infra-infra red source and underneath open flame burners are positioned to create a high energy heat zone along one length of the belt. Air impingement scatter jets are positioned above and below a subsequent length of the belt and a superimposed hold down belt restrains the products from scattering. A dryer zone with fast moving hot dry air is provided to reduce the product moisture to a desired final end point.

Abstract: A masa dough sheeting process is disclosed which eliminates the use of at least one stripper wire or doctor blade wherein the dough is worked between pinch rolls rotating at selected, infinitely varying speed ratios enabling controlled differential adhesion characteristics between the dough material being sheeted and the surfaces of the rolls. Compensation against compressive forces created during product cutting which tend to shrink cut product size is realized through readily variable cutter roll speeds with respect to the speeds of the front roll upon which the cutting occurs.

Abstract: Process and apparatus for preparing a snack food product by baking and without the use of cooking oil, begins with preparation of potatoes, carrots, bananas, etc, into slices which are surface de-watered before exposure to a high intensity heat source including infra red at about 1400 F. to blanch the product and halt enzyme action before exposure to hot, dry air impingement until reduced in moisture to about 10 to 35%, while maintained in a mono layer. Then the slices are aggregated into a pack and dried in hot dry air until the moisture content has been reduced to about 0.5 to 2%.The apparatus includes an insulated housing with a product conveyor extending therethrough. A combination of overhead infra-red burners and underneath open flame burners are positioned to create a high energy heat zone along one length of the belt. Air impingement scatter slots are positioned above and below a subsequent length of the belt and a superimposed hold down belt restrains the products from scattering.

Abstract: Dual zone cooking process and apparatus are provided for cooking a wide variety of different snack food products in a continuous manner, the apparatus being arranged in modular form for conversion from one cooking process to another. Products are cooked either in two tandem but separated cook zones or in a final cook zone at cook times and temperatures applicable for the particular products. Oil volumes are variable in the cooking apparatus.

Abstract: A sheeter machine and process is disclosed which eliminates the use of at least one stripper wire or doctor blade wherein the dough, including masa, is worked between pinch rolls rotating at selected, infinitely varying speed ratios enabling controlled differential adhesion characteristics between the dough material being sheeted and the surfaces of the rolls. Variable cutter speed ratios acting with the front roll enable control of the cut product size.

Abstract: An oven with a box-like housing for efficient use of plant floor space encases a spiral food product carrying conveyor. A process vapor is circulated within the housing by "plug fans" with the inlet drawing vapor from the central axial zone of the spiral conveyor and exhausting into plenums along the periphery of the conveyor. The plenums have nozzles oriented tangentially to the conveyor for projecting the process vapor in a non-radial path over the food products.

Abstract: An oven with a box-like housing for efficient use of plant floor space encases a spiral food product carrying conveyor. A process vapor is circulated within the housing by "plug fans" with the inlet drawing vapor from the central axial zone of the spiral conveyor and exhausting into plenums along the periphery of the conveyor. The plenums have nozzles oriented to project the process vapor laterally towards the conveyor.

Abstract: Rows of rectangular bins for crop storage have open tops along which an overhead shuttle carriage moves for filling the bins one at a time. An auger on the carriage removes the contents from the incoming conveyor belt for deposit in an assigned bin. An array of declined baffles positioned in the path of the falling product buffers the fall. A product support over the discharge auger minimizes the product bridging effect between the vertical walls of the bin.

Abstract: Cooking process and apparatus is provided for cooking food products in a continuous manner whereby the moisture formed during the process of cooking is removed from the cooking oil and the time-temperature profile within the cooker along the cooking path may be adapted to substantially conform to a linear or nonlinear curve. The apparatus provides a novel process for cooking specialty snack foods having harder bite and/or lowered oil content.

Abstract: Cooking process is provided for cooking food products in a continuous manner whereby the moisture formed during the process of cooking is removed from the cooking oil and the time-temperature profile within the cooker along the cooking path may be adapted to substantially conform to a linear or non-linear curve. The apparatus provides a novel process the cooking process results in specialty snack foods having harder bite and/or lowered oil content.

Abstract: A food chip cooking process in which uncooked food slices are propelled airborne over the cooking vat in a batch, are stirred and submerged to urge the batch from one end of the vat to the other and then removed from the vat for further processing.

Abstract: An oven and method for cooking solid foods. The oven comprises an elongated housing divided into tandem cooking zones each with separate cooking and heating chambers. Food products are carried on a vapor perious conveyor through the cooking chambers as a distinct cooking process vapor is recirculated in each zone at different rates between the heating and cooking chambers. In one zone, the process vapor is circulated generally laterally of the conveyor over the food in a turbulent mode and then recirculated for reheating in a path parallel to the conveyor.

Abstract: A food chip cooking process in which uncooked slices are propelled airborne over the cooking vat in a batch, are stirred and submerged to urge the batch from one end of the vat to the other and then removed from the vat for further processing.

Abstract: An oven and method for cooking solid foods. The oven comprises an elongated housing divided into tandem cooking zones each with separate cooking and heating chambers. Food products are carried on a vapor pervious conveyor through the cooking chambers as a distinct cooking process vapor is recirculated in each zone at different rates between the heating and cooking chambers. In one zone, the process vapor is circulated generally laterally of the conveyor over the food in a turbulent mode and then recirculated for reheating in a path parallel to the conveyor.

Abstract: Cooking apparatus is provided for cooking food products in a continuous manner whereby the moisture formed during the process of cooking is removed from the cooking oil and the time-temperature profile within the cooker along the cooking path may be adapted to substantially conform to a linear or non-linear curve. The apparatus provides a novel process for cooking specialty snack foods having harder bite and/or lowered oil content.

Abstract: Cooking apparatus is provided for cooking food products in a continuous manner whereby the moisture formed during the process of cooking is removed from the cooking oil and the time-temperature profile within the cooker along the cooking path may be adapted to substantially conform to a linear or non-linear curve. The apparatus provides a novel process for cooking specialty snack foods having lowered oil content.

Abstract: A machine forms tortillas into cooked taco shells using a conveyor with a plurality of complementary, vertically extending forming elements which shift from a nested to an open condition as the conveyor sprockets are traversed for feeding and discharging the product. On the lower conveyor run the forming elements pass through a channel of cooking oil and then on to a station where cooked taco shells are discharged. A loading conveyor feeds tortillas in a spaced column towards the forming elements and an acceleration conveyor operates between the loading conveyor and forming conveyor for positioning the tortilla for engagement with a forming element.