Contamination Removal from Packages for Purity

Multilayer film for packaging materials that allows easy removal of adhering contents like food residue while maintaining good heat sealability. The film has a sealing layer with a thermoplastic resin and a surfactant. Embossing the sealing layer surface to increase its specific area enhances content release. The film can be used in containers like paper cups to facilitate cleaning.

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A PET bottle separation and recovery device that sorts and processes used PET bottles to increase recycling efficiency. The device has a holder, transfer unit, crusher, ring separator, and measuring unit. It measures transparency, contamination, and lid presence of bottles. Bottles are crushed and separated based on measurements to optimize recycling. Transparent bottles are shredded in one area, opaque ones in another, and contaminated ones crushed. This allows recycling of transparent shards, shredded opaque sections, and crushed contaminated parts separately.

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Reducing ink transfer from printed packaging materials into food products during packaging without adding layers or coatings. The method involves curing the inside layer of the packaging material to bind any ink particles that migrate from the outside printed layer during production. This prevents the ink particles from being released into the food during filling.

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Cosmetic container with wiper packing that wipes away cosmetic residue from the applicator and seals the space between the applicator and container. The wiper packing is formed of a first harder wiper attached to the container and a second softer wiper that contacts the applicator. When the applicator is removed, the second wiper deforms and wipes residue. When the applicator is reattached, the second wiper compresses to seal.

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Stretched packaging film with improved quality and reduced environmental impact by using chemically recycled resin instead of material recycled resin. The stretched film contains a chemically recycled resin, which is made by converting discarded resin into monomers and then polymerizing them. This reduces foreign matter and odors compared to material recycled resin. The chemically recycled resin in the film is less likely to have gels, aggregates, or odors after heat treatment. This improves film quality and appearance when stretched.

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Reducing the risk of ink particles from printed packaging transferring into food products during manufacturing. The method involves curing the inner layer of the packaging material to bind ink particles that migrate from the outer printed layer. This prevents the ink particles from being released into the food product. The packaging material is formed into packages and filled with the product without a separate ink migration preventing layer. This avoids compromising efficiency and versatility compared to adding a separate layer.

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Laminate for packaging materials, containers, and articles that can improve hygiene and quality even when the recycled resin content is high. The laminate uses chemically recycled resin instead of material recycled resin. Chemically recycled resin is made by converting discarded resin into a low molecular weight form and then polymerizing it, rather than cleaning and melting used packaging materials. This reduces impurities and thermal degradation compared to material recycling. The laminate has at least 10% vol or mass of chemically recycled resin.

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Filler assembly for sterile filling of flexible pouches with flowable materials like food products. The filler has zones for preheating, sterilization, flushing, and filling. The pouch moves through these zones sequentially. The preheat zone has a preheat nozzle and vacuum to suction the pouch before sterilization. The sterilization zone has a sterilization nozzle and vacuum after sterilization. The flushing zone has a flushing nozzle and vacuum after flushing. This sequence helps prevent contamination by removing fluids from the pouch between steps. The filler also has a mechanism to move the pouch through the zones. The mechanism has two regions: helical screws to guide the pouch entry, and linear slides to move it through the zones. The nozzle assemblies have sealing rims with slots to allow fluid flow when engaged with

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Halogen-free metal bottle caps with improved sealing performance for containers like beer bottles. The caps have a molded sealing insert made from a specific polymer compound. The compound contains a scavenger that captures oxygen to prevent taste alterations in the contained beverages. The scavenger is incorporated into the sealing insert during molding. The caps can be made thinner than conventional ones by using a lower gauge tinplate because the molded sealing insert provides sufficient sealing force. The thinner caps save material costs. The scavenger in the sealing insert prevents oxidation and flavor alterations of the contained beverages by capturing oxygen that enters the container.

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Stretch blow-molded articles like toner bottles that prevent degradation of the contained toner powder and prevent wax transfer to the bottle surface when made from recycled PET. The molded articles contain a polyester, wax, and an inorganic layered double hydroxide or zeolite. The wax is adsorbed by the inorganic compound instead of transferring to the bottle surface, preventing chemical attack on the toner particles inside. This prevents deformation of toner particle surfaces when stored in the bottle. By using recycled PET, it reduces environmental impact compared to virgin PET.

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Sorting mixed plastic waste containing PE, PET, PP, PS, MPO and films into pure fractions for recycling. The sorting process involves initial separation of lower density films from higher density waste using air classifiers. Then, PET is further sorted by color using optical sorters. PET trays are extracted and clear/blue PET is separated. Impurities are removed from remaining PET. PP is separated into films and 3D waste using ballistic separators. PS is further sorted. The remaining mixed waste is rechecked for missed plastics. The sorted fractions are combined and recycled.

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Reducing outgassing of volatile organic compounds from pellicle packaging to minimize contamination of pellicles used in semiconductor lithography. The pellicle packaging has a total outgassing of 90 ppm or less when heated at 100°C for 30 minutes. The packaging has a sealant layer with thickness 40 μm or less, optionally an adhesive layer, and can contain an ethylene-vinyl alcohol copolymer in the sealant. This reduces outgassing compared to typical packaging materials. The packaging can also be used to enclose pellicle receptors for lithography tools. The pellicle itself may have a styrene-butadiene-based adhesive for original plates.

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Packer machine for making pouches containing snus or other loose products like tea or coffee. The machine has features to improve productivity and quality while collecting loose powder from the pouches. It uses actuators with adjustable pneumatic springs to precisely control the sealing pressure. This prevents pouches from inflating with air during filling. Between the longitudinal and transverse sealers, a suction device removes loose powder blown out by the compressed air feeding the pouches. This prevents dirtying of the sealing units and ensures clean pouches.

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Packaging machine that prevents defective sealing by removing foreign matter from the sealed portion. The machine has a feature to thoroughly clean the overlapped edges of the packaging material before sealing. It does this by inserting a brushing device between the bag maker and sealer that can be pushed into the overlapped edges. The brushing device has a vent hole and a suction device to draw the edges through the hole and clean them. This prevents foreign matter like product scraps from being sealed in the package.

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A label for PET bottles that can be easily removed without leaving adhesive residue on the bottle. The label is a pressure-sensitive adhesive strip label coated with a fast drying adhesive. This allows the label to be easily peeled off the PET bottle without leaving adhesive behind. The fast drying adhesive prevents residue compared to slow drying adhesives. The label can be made using non-shrinking film or shrinkable film as the label material. This improves recyclability of PET bottles by preventing adhesive contamination during recycling.

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A label for PET bottles like water bottles that can be easily removed without leaving adhesive residue on the bottle surface. The label uses a pressure sensitive adhesive coating on the label instead of the conventional slow-drying adhesives. This allows the label to be easily peeled off without residue when removed. It solves the problem of adhesive residue in PET bottle recycling by using a label that can be completely separated and reuses the PET bottle without contamination. The label can be made with non-shrinkable or shrinkable film, depending on the bottle shape. The pressure sensitive adhesive allows easy label removal without residue, improving PET bottle recycling yield and quality.

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Product packaging assembly that prevents contamination of packaged products from ambient environments. The assembly has a filter sandwiched between a support and a surface film, with sealed perimeters. This assembly is placed over the package opening. During heating, gases vent out through the assembly while the filter blocks ambient particles from entering. This prevents contamination during processing and handling in contaminated environments.

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A machine to efficiently separate and crush PET bottles made of different materials like cap and body. The machine has an open-top frame with a cutting section at the front to separate the necks. The main body pressing section compresses the bottles after neck separation. A lower frame collects the compressed bodies which are crushed inside. The machine is driven by a unit that synchronizes all parts. This enables separating and crushing PET bottles with caps and bodies made of different materials, generating pure PET flakes with minimized impurities for circular recycling.

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Packaging material with antimicrobial and low adhesion properties to reduce contamination and disease transmission through contact with the packaging surface. The packaging has a coating that combines anti-microbial behavior to deactivate contaminating microbes with low adhesion properties to prevent buildup of contamination. The coating is applied over a substrate and can be printed onto the packaging. The low adhesion properties help prevent contamination from sticking to the surface, while the anti-microbial properties deactivate any remaining contamination.

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Method to sterilize a packaging machine for aseptic filling of wrappings to improve sterility and reduce start-up times compared to prior art. The method involves feeding sterilizing solution into the product feed line during sterilization and restart steps. This allows simultaneous sterilization of the product and packaging components without separate connections and disconnections. The sterilizing solution is fed into the product feed line via the gaseous fluid feed line during sterilization and restart steps. This eliminates the need for separate sterilization circuits and allows complete sterilization of the product and packaging components without disconnections.

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