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Welcome to Wenger Manufacturing

Welcome to Wenger Manufacturing. World Supplier of Extrusion Systems since 1935. Focused on core product – extrusion systems of Pet Foods. Aquatic Feeds, and Textured Vegetable Proteins and other Food applications Approximately 85% of Pet Foods worldwide are produced on Wenger systems .

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Welcome to Wenger Manufacturing

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  1. Welcome to Wenger Manufacturing

  2. World Supplier of Extrusion Systemssince 1935 • Focused on core product – extrusion systems of Pet Foods. Aquatic Feeds, and Textured Vegetable Proteins and other Food applications • Approximately 85% of Pet Foods worldwide are produced on Wenger systems

  3. History of Extrusion Technology 1948 2012 Manufacturer of Extrusion and Drying Systems

  4. Our Company • 1935 – Brothers, Joe and Louis Wenger started the Wenger Mixer Company - and began the manufacture of mixers and other basic feed milling machines. 2012 – Still family owned and operated, Wenger Mfg. Company employs over 300 people world wide, including those at our sister company Extru-Tech Inc.; a wholly owned & operated business.

  5. 1929 • Brothers Joe & Louis Wenger - sons of Swiss immigrants and the youngest of nine brothers - confront the U.S. Great Depression by rebuilding their feed mill which had just been destroyed by fire. • The economic situation of the time requires the two young brothers to innovate new solutions to solve old problems.

  6. 1935 • The brothers form a second partnership - Wenger Mixer Company - and begin the manufacture of mixers and other basic feed milling machinery. • The first mixers were designed to mix molasses and other liquid ingredients with whole grains.

  7. 1948 • Wenger builds its first extruder, a novel machine designed to blend molasses with dry feedstuffs and compress it into pellets.

  8. 1954 • Wenger fills its first foreign order - a pelleting mill for installation in Venezuela.

  9. 1958 • LaVon Wenger, son of Louis, patents the first commercial cooking extruder for the production of expanded pet food.

  10. 1965 • Wenger builds a research plant in which to demonstrate its equipment and develop new processes.

  11. Wenger Manufacturing, Inc.Worldwide service Antwerp, Belgium Sabetha, Kansas Beijing, China Kansas City Taichung City, Taiwan Sao Paulo, Brazil

  12. Wenger Manufacturing, Inc.Research and Development • The Wenger Technical Center • Demonstrations and R&D for 1 or 2 Clients/Day • Staffs 24 Employees • Cereal Chemists • Process Engineers • Service Engineers • Over 1,500 Test Runs • 2,500 Square Meter Processing Area

  13. 2010

  14. Wenger Manufacturing, Inc.Research and Development • Extension Research Centers • at 6 University Sites • Demonstrations and R&D 150 Days/Year • Assisting Staff as Required • Cereal Chemist • Process Engineers • Service Engineers • Over 775 Test Runs per Year • Each Research Center has Specialized Field

  15. The Markets We Serve

  16. The Markets We Serve

  17. Trends Impacting Feed and Food Industry:2 Major Issues are Food Safety and Energy Efficiency • Food safety:  Challenges with contaminated ingredients and products • Energy efficiency and water conservation:  Higher energy costs and concerns about water availability • Raw material costs:  Volatile ingredient markets • Market conditions:  Current economic recession is impacting consumer buying habits • Emissions control:  Reducing odor and particulate emissions • Supply chain cost reductions:  Shipping costs are higher • Automation:  Reduces labor costs and assists in food safety • Labor costs:  Uncertainties in the labor pool • Flexibility:  Ability to react quickly to new market directions • 10)Lean manufacturing:  Cost cutting and improving efficiencies

  18. Applications for Extruded Products • Dog Food • Cat Food • Lab animal feeds • Aquatic Feeds • Livestock Feeds • Bird Feeds • Exotic Animal Feeds • Individual ingredients (Full fat soy for Bio-diesel plants) 100 to 37,000 lbs / hour

  19. Pet Foods

  20. Pet Treats

  21. How Are Dog and Cat Foods Made?

  22. First, ingredients are mixed together and ground into flour. grinder / mixer

  23. Then, the flour is fed into an extruder to cook into a shape! Extruder (continuous pressure cooker)

  24. Pet foods expand as they come out of the extruder and are cut by a rotating knife.

  25. When the pet food expands at the end of the extruder, steam escapes into the air.

  26. After the extruder, the wet product is often sent to a dryer. Dryer

  27. Pet foods are dried at 300º F for 20-25 minutes In Out

  28. After drying, pet foods are coated and then packaged.

  29. Extruders and dryers are operated by computers in a control room.

  30. Some extruded foods have a filling injected and then are cut into pillows.

  31. Many different shapes, flavors, and colors are possible.

  32. Co-Extruded Petfood

  33. Why Extrusion Cooking ? • Cooks starch and other ingredients in the recipe • Shapes and sizes the product • Controls the product density (expansion) • Pasteurizes the pet food

  34. Examples of Extruded Fish Food • 1) Floating • Catfish • Carp • Tilapia • 2) Slow Sinking • Salmon • Trout • Cod • 3) Fast Sinking • Shrimp • River Crab • Sea bass/bream

  35. AquaticFeeds

  36. Flaked and Expanded Breakfast Cereals

  37. Direct expanded snacks of light densities Snack Pellets (half products)

  38. Extruded and Fried Snacks Multi-Grain Chips Fried Cheese Curls

  39. Textured Vegetable Proteins SMA MINCED CHUNK FSP HMMA

  40. Breading

  41. Breaded Shrimp

  42. Wenger ~ Precooked, Reformed Rice, Dahl, and Pasta

  43. Precooked “Pulse” Analogs

  44. 1988 Extrusion in 1948 1958 Extrusion Today

  45. Extruder Barrel Twin Screw Single Screw

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