49 results about "Retort pouch" patented technology

The invention discloses a microbial safety prediction method and system for retort pouch food and a medium, and relates to the field of retort pouch food sterilization, and the method comprises the following steps: obtaining basic data, microbial pollution data and microbial heat resistance data of to-be-processed retort pouch food; calculating the initial pollution amount of the to-be-processed retort pouch food based on the configuration proportion of the different raw materials and the number of microorganisms corresponding to the different raw materials; based on the initial pollution amount, the formula parameters and the process parameters, the total pollution amount of the to-be-processed retort pouch food is calculated; based on the total pollution amount and the process parameters, calculating the process sterilization amount of the to-be-processed retort pouch food; calculating target sterilization time of the to-be-processed retort pouch food based on the process sterilization amount, the process parameters and the microorganism heat-resistant data; and when the target sterilization time is less than or equal to the preset sterilization time, the to-be-processed retort pouch food does not have the problems of microbial safety and corruption in subsequent production. According to the method, the microbial safety of the retort pouch food is effectively predicted in the earlier stage of production of the retort pouch food.

The invention discloses an ultrasonic-sealed sterile packaging system and method for retort pouches, and relates to the technical field of ultrasonic sterile packaging material forming. The ultrasonic-sealed sterile packaging system for the retort pouches comprises a sealing matching degree monitoring module, an ultrasonic-sealed sterile packaging module and an ultrasonic-sealed sterile packaging module, a sterilization stress monitoring module; a cooling stress evaluation module; and a retort pouch plastic molding qualification monitoring module. According to the method, whether sealing parameter self-adaptive adjustment is adopted or not is determined by conducting sealing matching degree analysis, then sterilization stress evaluation is conducted to determine whether sterilization temperature and pressure adjustment is adopted or not, then cooling stress evaluation is conducted to determine whether retort pouch cooling gradient adjustment is adopted or not, and finally retort pouch plastic forming state qualification verification is conducted. The effect of improving the percent of pass of the ultrasonically-sealed retort pouch aseptic packaging product is achieved, and the problem that the percent of pass of the ultrasonically-sealed retort pouch aseptic packaging product is low in the prior art is solved.

To provide a laminate that can suppress a decrease in gas barrier property after retort processing when used in a packaging bag for a retort pouch or the like.SOLUTION: Provided is a laminate comprising at least: a barrier film in which a substrate, an inorganic oxide layer, and a coating layer with a barrier property are layered in this order; an adhesive agent layer; and a sealant layer, wherein the substrate comprises a stretched substrate that includes polypropylene as the primary component thereof, the sealant layer includes polypropylene as the primary component thereof, the barrier film is positioned such that the coating layer faces the adhesive agent layer side, the elastic modulus of a cross-section of the adhesive agent layer in the laminate is 100.0 MPa or less as measured using an atomic force microscope (AFM), and the indentation hardness from a cross-section of the coating layer in the laminate is 0.9 GPa to 1.7 GPa as measured using a nano-indentation method.SELECTED DRAWING: Figure 1

The invention relates to the field of food packaging bags, and particularly discloses an inner-layer composite film for a retort pouch and a preparation method of the inner-layer composite film for the retort pouch. The material is prepared from 20-40 parts of PET, 10-30 parts of polyamide, 40-50 parts of modified polypropylene, 2-4 parts of compatilizer, 1-2 parts of plasticizer and 1-3 parts of filler. The modified polypropylene is prepared from polypropylene, nano cellulose and polyvinylpyrrolidone according to the mass ratio of 100 to (2 to 4) to (1 to 3); the preparation method comprises the following steps: weighing the PET, the polyamide, the modified polypropylene, the compatilizer, the plasticizer and the filler, and uniformly mixing and stirring to obtain a mixture; carrying out melt co-extrusion on the mixture, and then cooling and rolling to obtain a composite film; the sealing device has the advantage that film separation is not easy to occur during high-temperature cooking, and food safety is not easy to influence while the sealing effect is ensured.

The utility model provides a composite device for high-temperature retort pouch production, which relates to the technical field of high-temperature retort pouch production and comprises supporting legs, an elastic detection piece and an extrusion composite device. And through the arrangement of the elastic detection piece, the situation of wrinkles or foreign matters can occur in time in the conveying process of the high-temperature retort pouches. The two sets of detection plates abut against the two sides of the high-temperature retort pouch, if wrinkles or foreign matter exists on the surface of the high-temperature retort pouch, the detection plates can be extruded, and the detection plates can drive the placing blocks to slide in the fixing base. Meanwhile, a proximity switch can detect the displacement change of an induction plate located on the upper surface of a placement block and transmit a signal to a control box, through arrangement of a dust collection box, when an elastic detection piece detects that wrinkles or foreign matter exist on the surface of the high-temperature retort pouch, the control box controls the dust collection box to descend to the upper surface of the high-temperature retort pouch; and surface wrinkles are scraped flat or foreign matters are absorbed by a dust collector, so that the production quality is ensured.

The utility model discloses a temperature-controllable vacuum retort pouch, and relates to the technical field of retort pouches. The bag comprises a bag body, the bag body comprises an inner layer and an outer layer, the inner layer and the outer layer are used for forming the bag body, the outer layer is fixedly connected with the outer wall of the inner layer and used for protecting the inner layer from being damaged by the outside, and a reversible temperature measuring label is fixedly connected to the middle of the outer wall of the front end of the bag body and used for displaying the temperature of the bag body in a color change observing mode. According to the food packaging bag, the sealing performance of the bag body is jointly enhanced through the design of the reinforcing assemblies, the connecting belts, the reinforcing belts, the annular air bags, the strip-shaped clamping blocks and the strip-shaped clamping grooves, the phenomena of untight sealing and air leakage caused by long-time cooking or external force extrusion are effectively prevented, and the freshness and safety of food are guaranteed; meanwhile, due to the design of the plastic blocks on the two sides of the reinforcing belt, the user can easily tear the connecting belt, so that the retort pouch is conveniently opened, and the use experience of the user is improved.

The present invention provides a polypropylene-based resin composition comprising a polypropylene-based resin (A) including a continuous phase consisting of a propylene polymer (a1) and a rubber phase consisting of a copolymer (a2) of ethylene and α-olefin having 3-10 carbon atoms, and an optional component ethylene / α-olefin copolymer (B) which is a copolymer of ethylene and α-olefin having 3-10 carbon atoms.

The present application relates to pet can production and processing technical field, disclose a kind of production and processing method of pet can, comprising the following steps: step S1: water is sent to cooking box;Step S2: a plurality of built-in cooking raw materials are placed into cooking basket;Step S3: drive hoisting assembly drive built-in a plurality of cooking basket of cooking bag drop into cooking box;Step S4: a plurality of driving sources are driven respectively a plurality of partition plate drop to a plurality of cooking bag in cooking basket are separated, while horizontal shake component and vertical shake component are all started;In the process that cooking box is shaken horizontally and vertically, a plurality of cooking bag are shaken and collide with each other, then the gap between adjacent cooking bag is changed, it is helpful to partition plate drop and insert between adjacent cooking bag, change the gap between cooking bag so as to facilitate hot water contact heating, that is, it can avoid that cooking bag is covered for a long time and cannot be heated evenly cooking, simultaneously, promote a plurality of cooking bag separated by partition plate.

The present invention relates to a solvent-free two-component adhesive kit comprising an isocyanate-functionalized aliphatic polyurethane prepolymer and a polyol crosslinker. The present invention further relates to a lamination adhesive comprising the components of said adhesive kit of the invention and to retort pouches comprising said lamination adhesive.

The utility model discloses a cold-resistant shock-resistant retort pouch which comprises a composite film, the composite film is matched together to form a pouch body, and the composite film comprises a PET (polyethylene terephthalate) film layer, a first asynchronous stretching double-sided corona nylon film layer, a second asynchronous stretching double-sided corona nylon film layer, a polyethylene lamination layer and a polyethylene film layer, the polyethylene film layer is arranged between the PET film layer and the polyethylene film layer, the first asynchronous stretching double-sided corona nylon film layer is arranged between the PET film layer and the polyethylene film layer, and the second asynchronous stretching double-sided corona nylon film layer is arranged between the polyethylene film layer and the polyethylene film layer. The composite film is formed by compounding the PET film layer, the first asynchronous stretching double-sided corona nylon film layer, the second asynchronous stretching double-sided corona nylon film layer, the polyethylene spraying film layer and the polyethylene film layer, and after the composite film is prepared into the retort pouch, the whole retort pouch still has good sealing performance and good impact resistance at low temperature.

The present disclosure relates to a multilayer packaging film having a first base layer, a second base layer on the first base layer, and a sealing layer on the second base layer. In some embodiments, the second base layer has a shrinkage value less than a shrinkage value of the first base layer. In some embodiments, the shrinkage value of the second base layer is greater than or equal to the shrinkage value of the first base layer. In some embodiments, the second base layer has a shrinkage value greater than 5%, and the shrinkage value of the second base layer is less than the shrinkage value of the first base layer. Also disclosed are methods of producing the multilayer packaging films and hermetically sealed packages (e.g., thermoformed trays or cups and retort pouches) formed from the multilayer packaging films.

To provide formed food in retort pouch, in which highly nutritious barley and oat are formed to be eaten directly from the pouch, and a production method thereof.SOLUTION: Formed food in retort pouch contains barley and / or oat, gelatinizer, fat and oil and water, and cohesion / hardness (N / N) measured by a texture analyzer is 0.01-0.1, and cohesion is 0.09-1 N. The production method of the formed food in retort pouch includes the first step for making emulsion in which gelatinizer and fat and oil are dispersed in water, the second step for making viscous liquid by dispersing barley and / or oat in the emulsion and the third step for filling the viscous liquid into a pouch, and heat-sterilizing and cooling the same to be solidified in a lump.SELECTED DRAWING: None

The utility model discloses a high-temperature retort pouch, belongs to the technical field of retort pouches, and aims to solve the problems that the high-temperature retort pouch usually needs to be opened by means of a workpiece such as scissors due to the fact that the high-temperature retort pouch is sealed by heat sealing, and the efficiency is low, the high-temperature retort pouch comprises a pouch body, a pouch opening is fixedly installed on one side of the pouch body, and grooves are formed in the two sides of the pouch opening. Placing grooves are formed in the top end and the bottom end of the bag opening, easy-to-tear lines are fixedly mounted in the placing grooves of the bag opening, sealing strips are arranged in the placing grooves of the bag opening, the sealing strips and the bag opening are bonded and fixed, an easy-to-tear piece is fixedly mounted at one end of each sealing strip, and an exhaust pipe is fixedly mounted on the side, close to the bag opening, of the top end of the bag body; through the arrangement of structures such as the groove, the placing groove and the easy-to-tear line, a user can open the bag opening conveniently, through the arrangement of the sealing strip, the easy-to-tear line can be protected conveniently, and through the arrangement of the easy-to-tear piece, the user can tear the sealing strip conveniently.

The present invention relates to a solvent-free two-component adhesive kit comprising an isocyanate functionalized aliphatic polyurethane prepolymer and a polyol crosslinking agent. The invention also relates to a laminated adhesive comprising the components of the adhesive kit of the invention and a retort pouch comprising the laminated adhesive.

The utility model provides a cutting separation device for food high temperature retort pouch production, relates to the retort pouch technical field, including machine table and bag roll, the bag roll is rotatingly arranged on the machine table front side, and the machine table below the bag roll is rotatingly provided with feed roller, the machine table below the feed roller is provided with a cutting cabin, the cutting cabin is provided with a plurality of cutting blades, and the cutting blades are arranged on the cutting cabin. A cutter is movably arranged at one end in the cutting bin, and a channel is formed in the cutting bin; rollers are rotationally arranged at the two ends of the lower portion of the front side of the machine table, a belt is wound around the rollers, and a suction opening is formed in the surface of the belt. The feeding roller rotates to feed a material bag on a bag roll into the cutting bin, the cutter moves to cut the material bag, the cut bag body is guided to the belt by the guide plate and is matched with the suction roller to generate suction force, the suction force acts on the belt to adsorb the cut bag body, the belt operates to feed the bag body to the position below the belt, and the bag body is scraped into the material bin by the elastic scraping plate. Overall feeding and discharging are continuously and automatically carried out, and the efficiency is high.

To provide a laminate which is excellent in impact resistance after retort treatment, when being used in a packaging bag such as a retort pouch.SOLUTION: A laminate has a base material, an adhesive layer and a sealant layer in this order in a thickness direction, wherein the base material is a barrier base material having a stretched base material containing polypropylene as a main component and an inorganic oxide layer in this order in a thickness direction, the stretched base material has a multilayer structure having a first surface resin layer, a polypropylene layer and a second surface resin layer in this order in a thickness direction, the first surface resin layer faces the inorganic oxide layer, the second surface resin layer is arranged so as to face the adhesive layer, the second surface resin layer contains 50 mass% or more of a random copolymer of propylene and α-olefin other than the propylene with respect to the total amount of the second surface resin layer, the adhesive layer has thickness of 1 μm or more and 4.5 μm or less and elastic modulus of 20 MPa or more and 50 MPa or less, and the sealant layer contains polypropylene as a main component and has composite elastic modulus of 900 MPa or less.SELECTED DRAWING: Figure 1

The utility model discloses a composite interlayer high-temperature retort pouch, and particularly relates to the technical field of high-temperature retort pouches, the composite interlayer high-temperature retort pouch comprises a retort pouch body, a storage bin is arranged in the retort pouch body, one side of the top of the retort pouch body is fixedly connected with an exhaust cover, and an exhaust mechanism for guiding air in the storage bin is arranged in the exhaust cover. A first connecting mechanism and a second connecting mechanism which are used for connecting the adjacent retort pouch bodies are arranged on the two sides of the retort pouch bodies respectively. The retort pouch has the technical effects and advantages that the exhaust mechanism is arranged, so that the exhaust operation can be conveniently performed in the storage bin, and the retort pouch bodies are prevented from exploding due to thermal expansion; by arranging the first connecting mechanism and the second connecting mechanism, a plurality of retort pouch bodies can be conveniently connected with each other, the retort pouch bodies can be conveniently taken out after being heated at high temperature, the risk of scalding is avoided, meanwhile, the retort pouch bodies can be conveniently taken through the connecting belts and the lifting rings, and scalding of hands is avoided.

Provided is a laminate that, when used in a packaging bag such as a retort pouch, can suppress deterioration in gas barrier properties after retort treatment. [Solution] A laminate comprising at least a barrier film in which a substrate, an inorganic oxide layer, and a coating layer having barrier properties are laminated in that order, an adhesive layer, and a sealant layer, wherein the substrate comprises an oriented substrate containing polypropylene as its main component, the sealant layer contains polypropylene as its main component, the barrier film is arranged so that the coating layer faces the adhesive layer, and a laminate is selected in which the elastic modulus measured using an atomic force microscope (AFM) on a cross section of the adhesive layer in the laminate is 100.0 MPa or less, and the indentation hardness measured using a nanoindentation method on a cross section of the coating layer in the laminate is 0.9 GPa or more and 1.7 GPa or less.

The invention provides a retort pouch shaped food containing barley and / or oat, oligosaccharide, a gelling agent, fat and oil, and water. The gelling agent may be one or more substances selected from the group consisting of glucomannan, plantain seed gum, and gellan gum. In the retort pouch shaped food, the content of barley and / or oat may be 20-45% by weight, the content of oligosaccharide may be 0.5-20% by weight, the content of gelling agent may be 0.1-3% by weight, the content of fat and oil may be 0.5-7% by weight, and the content of water may be 50-75% by weight.

The utility model discloses a food-grade retort pouch tensile strength detection device, relates to the technical field of material tensile testing, and provides the following scheme aiming at the problems that the existing retort pouch cannot meet the strict requirement on the heat sealing strength of the retort pouch in actual production and the strength is not qualified, the food-grade retort pouch tensile strength detection device comprises a vertical plate, the four sides of the vertical plate are connected with protective plates, and the protective plates are connected with the protective plates. A sliding lifting structure is arranged on one side of the protection plate, a stretching mechanism is connected to the middle of the upper end of the vertical plate, the stretching mechanism is of a telescopic stretching moving structure, a retort pouch is connected into the stretching mechanism, moving mechanisms are connected to the two sides of the upper end of the vertical plate, and the moving mechanisms are of screw rotating moving structures. The first lead screw is rotated to drive the movable transverse plate to ascend, the retort pouch is longitudinally stretched, the two ends of the retort pouch are bent to the position between the two round rods, the second push cylinder stretches and retracts to pull the retort pouch towards the two ends for stretching testing, the strength of the retort pouch can be detected, and the overall quality of products is guaranteed.

The invention relates to the field of seafood processing, and discloses a thick-shell mussel quality maintaining method based on steam and vacuum synergistic heating, which comprises the following steps: S1, pretreatment: firstly selecting fresh thick-shell mussels with the same size, and then taking complete mussel meat by using a meat taking tool; s2, vacuum sealing: putting the shellfish meat taken out in the step S1 into a food-grade retort pouch, and immersing in a steam water bath at 95-100 DEG C, and S3, seasoning and packaging: firstly preparing seasoning liquid, then mixing the seasoning liquid with the shellfish meat cured in the step S2, and soaking for 45-60 minutes, so that the flavor is uniformly permeated; and S4, low-temperature storage and shelf life prediction: establishing a suitable cold chain storage environment by using a refrigerator, and putting the vacuum shellfish meat prepared in the step S3 into the refrigerator for storage. Through a steam vacuum synergistic heating technology, the limitation of a traditional single hot processing technology is effectively overcome, compared with traditional boiling water heating (BH), the juice loss rate is reduced by 30% or above, and the structural integrity of muscle fibers is remarkably improved.

The application relates to the field of food packaging materials, in particular to a high-temperature cooking packaging bag, which is used for solving the problems that traditional food packaging bags are damaged, deformed and food is adhered during high-temperature cooking, and the used and discarded packaging bags are difficult to degrade; the high-temperature cooking packaging bag uses polypropylene and temperature-resistant hydrophobic polyester as main raw materials, the melting point of the polypropylene is high, so that the polypropylene is not easy to break at high temperature, can resist high temperature without melting during the cooking process, the temperature-resistant hydrophobic polyester has good environmental protection, heat resistance and hydrophobicity, under the synergistic action of the polypropylene and the temperature-resistant hydrophobic polyester, the prepared high-temperature cooking packaging bag can keep the integrity and sealing property of the packaging bag during high-temperature cooking, can effectively prevent water permeation, protect food from moisture erosion, prolong the shelf life, is not easy to cause food adhesion, and guarantees the appearance beauty of food.

The present invention discloses a cooking bag for large-piece solid cooked food soft cans, which comprises a polyolefin inner layer, an aluminum foil intermediate layer and a polyester outer layer. An outer shape adjustment layer is further provided below the polyester outer layer. The outer shape adjustment layer includes at least two layers, namely a surface film and a bottom film. The outer shape adjustment layer further includes at least a first outer shape adjustment airbag and a second outer shape adjustment airbag. The first outer shape adjustment airbag is located above the second outer shape adjustment airbag. A first inflatable trachea is provided inside the first outer shape adjustment airbag, and a second inflatable trachea is provided inside the second outer shape adjustment airbag. The deformation adjustment of the built-in outer shape adjustment layer in the present invention is carried out after the cooking bag completes cooking and sterilization. By independently adjusting different amounts of deformation generated by the outer shape adjustment airbags at different positions, the wrinkles on the outer surface of the large-piece solid cooked food soft can can be effectively eliminated, the required flatness can be obtained, a good commodity information display effect can be achieved, and at the same time, it also helps to improve the shopping experience of consumers.

To provide a production method for a processed food using oats as a raw material which can attain the processed food which has high nutritional value and, only with heating with a microwave oven, etc., is easy to eat and has a non-conventional popping texture and excellent taste.SOLUTION: In an oat processed food production method, non-heated oats and water are blended at a weight ratio of 1:1.3 to 1:1.6, the resultant is charged into a retort pouch which is then sealed, and the sealed retort pouch is subjected to heating and pressurization treatment under a condition of 100°C or higher and 5 to 15 minutes.SELECTED DRAWING: None

The utility model relates to a composite interlayer high-temperature retort pouch which comprises a first composite film and a second composite film, the edge of the first composite film is connected with the edge of the second composite film, and a bearing cavity is formed between the first composite film and the second composite film. The utility model relates to the technical field of high-temperature retort pouches. According to the composite interlayer high-temperature retort pouch, in the process of cooking the high-temperature retort pouch, water in the high-temperature retort pouch is evaporated to form steam, so that the retort pouch expands, and when air pressure in the retort pouch can push a pressure relief structure, the steam is discharged through a pressure relief pipe and a shunt pipe; and steam enters the interiors of the suspension structures on the two sides through the flow dividing pipe and the cavities in the first composite film and the second composite film, the pressure is reduced, the problem that the retort pouch is broken due to too high internal pressure is solved, and the effect of improving the safety is achieved.

This disclosure concerns a multilayer packaging film having a first base layer, a second base layer on the first base layer, and a sealing layer on the second base layer. In some embodiments, a shrinkage value of the second base layer is less than a shrinkage value of the first base layer. In some embodiments, the shrinkage value of the second base layer is greater than or equal to a shrinkage value of the first base layer. In some embodiments, the second base layer has a shrinkage value that is greater than 5%, and the shrinkage value of the second base layer is less than a shrinkage value of the first base layer. Also disclosed are methods of producing multilayer packaging films and hermetically sealed packages (e.g., thermoformed trays or cups and retort pouches) formed from the multilayer packaging film.

The utility model discloses edge sealing equipment for high-temperature food retort pouch production, and relates to the technical field of high-temperature retort pouch production. The device comprises a base, a mounting groove is formed in the top of the base, two symmetrically-distributed conveying rollers are rotationally arranged in the mounting groove, the two conveying rollers are sleeved with a conveying belt in a transmission mode, and a plurality of partition plates distributed at equal intervals are installed on the conveying belt. The end of one conveying roller penetrates through the base and is fixedly provided with a driving gear, a rotating rod is rotationally arranged at the position, close to the driving gear, of the outer portion of the base, and a sector gear meshed with the driving gear is fixedly arranged on the rotating rod. The conveying belt is arranged to automatically drive the placed high-temperature retort pouches to intermittently move to the bottom of the support for edge sealing operation, the edge sealing step of manual operation is omitted, working steps are reduced, and operation and production efficiency is improved.

The present disclosure relates to a sealing film comprising one or more polypropylene layers and a sealing layer comprising a polypropylene terpolymer and one or more polymers selected from polybutene-1 or plastomers. The sealing film is a machine direction oriented (MDO) film comprising at least 95 wt% polypropylene. Also disclosed are multilayer packaging films comprising such sealing films, and hermetically sealed packages (e.g., retort pouches) formed from the multilayer packaging films.

The invention relates to the technical field of food processing, and discloses a preparation method of a meat stuffing modifier and application of the meat stuffing modifier in steamed stuffed buns, and the preparation method comprises the following steps: (1) dissolving 18-30 parts by mass of pea protein isolate with 40-50 parts by mass of water, adding TG enzyme, adjusting the pH value to 6.5-7.5, and reacting at 50-55 DEG C; (2) adding 2-4 parts of wheat fibers, and performing high-shear dispersion uniformly; (3) adding 15-20 parts of hydrated citrus fiber slurry, and uniformly stirring; (4) adding 50-55 parts of a hot agar solution and 0.05-0.13 part of calcium lactate, and uniformly stirring; (5) adding 0.1-0.4 part of sodium chloride, and uniformly stirring; and sub-packaging into retort pouches, vacuumizing, and boiling in a boiling water bath. The meat stuffing modifier can achieve a good water retention effect, better simulate the taste and glossiness of fat and construct a tough and tender stuffing texture.