Introduction
Retort pouches are widely used for ready meals, soups, sauces, and cooked foods. Compared to rigid containers, they offer a compact format ideal for filling, sealing, sterilization, storage, and display. However, packaging demands more than loading product—the system must reliably open pouches, control filling, minimize contamination, and seal consistentlybefore sterilization. For producers of ready meals, soups, pasta sauces, meat, or solid-liquidmixes, Leonspack’s automatic 8‑station premade pouch filler provides a continuous production solution.
What Products Can Be Packed in Retort Pouches?
Leonspack’s machines handle diverse foods. Filling configuration depends on viscosity, particle size, liquid content, and weight.
· Ready Meals: Rice, pasta, curry, cooked vegetables, meal kits.
· Soups: Cream, chicken, vegetable, mushroom, corn, broth‑based.
· Sauces: Pasta, tomato, curry, gravy, cooking, seasoning.
· Meat & Seafood: Cooked, braised, fish, seafood, meat in sauce.
· Solid‑Liquid Mixes: Vegetables in sauce, beans in broth, meat with gravy, pasta with sauce, and similar dishes.
Why Is Retort Pouch Packaging More Demanding?
Products are filled before high‑temperature sterilization, so filling and sealing must remain stable. Key factors: reliable pouch opening, matched filling to reduce waste, clean pouch mouth before sealing, adjustable temperature/pressure per film type, separate stations for solid‑liquid mixes, and seal integrity through sterilization and handling.
How to Choose the Filling System
Different products need different filling methods from Leonspack:
· Granular/solid (rice, veg, beans, pasta, meat) → multihead weigher.
· Liquid/sauce (soup, sauce, gravy, curry) → pump filler.
· Solid‑liquid mixed → separate stations: solids first, then liquid. Ideal for ready meals, meat with sauce, vegetables in broth.
Optional Devices
· Multihead weigher (solids)
· Pump filler (liquids/sauces)
· Separate liquid station (solid‑liquid mixes)
· Elevator for automatic feeding
· Working platform
· Date coder
· Conveyor
· Checkweigher
· Metal detector
· Pouch cleaning/sealing‑area control
Frequently Asked Questions
Can one machine pack solids and sauce? Yes, with separate stations: solids first, then liquid.
Can it handle premade retort pouches? Yes – size, material, and sealing must be confirmed.
What info is needed for selection? Product type, photos, fill weight, pouch dimensions, material, target speed, liquid/solid content.
Can it pack irregular‑shaped ingredients? Yes, but filling system depends on size, shape, and flowability; sample test may help.
Can inspection equipment be added? Yes – checkweigher, metal detector, conveyor.
Conclusion
Choosing a retort pouch machine requires careful evaluation of product, pouch format, filling, and sealing. For ready meals, soups, sauces, and solid‑liquid foods, Leonspack’s 8‑station filler can be customized with various filling systems for fully automated continuous production.
For a tailored recommendation, send us product photos, pouch dimensions, fill weight, and target speed – our team will propose the optimal setup.
