Blow Molding for Hollow Container Production

Air cushion pouch for packaging that provides improved protection, versatility, and convenience compared to conventional air cushion materials. The pouch has a front sheet, back sheet, and sealed edges. A separate sealing sheet with an injection hole, fold lines, and partition sealing lines. The sealing sheet folds vertically to create an air pocket. The partition lines divide the pocket into left and right sections. The pouch is manufactured by combining and sealing the front/back sheets, adding the sealing sheet with the injection hole, folding it to create the pocket, and dividing it with the partition lines. This allows customizing the pocket size and dividing it into sections for better product fit and protection. The sealing sheet also has a hole for filling air into the pocket.

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Method and apparatus for opening the mouth of packaging articles like bags or tubular films. The method involves gripping the lips of the mouth with separate engagement devices, then spacing them transversely to the axis of development before blowing gas into the opened mouth. This eases opening compared to just gripping one lip and blowing gas. The gripping devices can have suction cups or grippers. The spacing can be moving the lips apart or moving one gripper parallel to the axis. This maintains the opening until the gas blowing starts. The method allows inflating the packaging article with gas before sealing. The apparatus has two engagement devices facing each other. One grips one lip and the other grips the other lip. They can have separate suction cups or grippers. The blower blows gas into the opened mouth.

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Winding and packaging wide wallpaper in a way that allows convenient and inexpensive transportation and storage compared to traditional methods. The method involves winding the wallpaper around a hollow cylindrical tube that is pumped full of air to create a rigid shape. The wallpaper is then wound onto the tube. After winding, the air is released to flatten the wallpaper into layers with the tube inside. This flat design can be packed and shipped easily. The tube can then be re-inflated to restore the cylindrical shape.

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Eco-friendly packaging material that releases gas without tearing or contamination, and a manufacturing process that reduces complexity, shortens time, increases productivity, and lowers costs. The packaging has sealing sections on opposite sides and a curved section with a cutout in between. This forms an internal space with an airflow path. The cutout allows gas to escape when contents expand. The manufacturing involves stacking fabrics, aligning centers, simultaneous vertical sealing/punching, cutting, and horizontal sealing.

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Automated packing machine for efficiently packing articles in inflatable airbags. The machine has three stations connected by a rail. Two linear actuators on the rail can move back and forth to grab and move the folded sheet of airbags between stations. An inflatable air tube runs between the stations. At the first station, a horizontal sealer seals the flaps above the air tube to enclose the airbag. The actuators move the sheet to the second station to inflate the airbag using the tube, then to the third station to seal the bag and perforate it for separation. This allows packing articles in inflatable bags on a continuous sheet, automating the process of inflating, sealing, and separating bags.

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Self-supporting packaging bag with improved stand-up and pouring properties using mono-material laminates made of polyolefin resins with low stiffness. The bags have an air injection section that can be filled with air to provide rigidity and prevent sagging. The laminates have low loop stiffness values in the vertical and horizontal directions when stood up. The low stiffness allows the air injection section to expand firmly when filled, maintaining self-support. The laminates also have barrier properties to prevent air escaping from the air injection section. The bags can be made from 90%+ polyolefin resin for recyclability.

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Air cushioning system for protecting massage chairs during transportation that can be reused and compressed for storage. The system uses custom-shaped air cells optimized for the massage chair's contours. It includes front, rear, side, upper, and corner air cells inserted between the chair and packing box. An air cell unit prevents flow between the cells. The cells cushion the chair from impact and prevent shaking during transport. After delivery, air is released to shrink the cells for storage.

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Rolled bag packaging for protecting fragile items during transportation. The bag has an inflatable outer layer with air bubbles and an inner vacuum chamber. Air holes allow inflating the bubbles. An air/vacuum source inflates the bubbles and vacuums the chamber. This prevents items hitting inside and absorbs impacts. The roll form allows cutting bags of different sizes. The vacuum removes air between items, the bubbles absorb impacts, and the roll form reduces packaging waste.

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Cushioned packaging article using an air layer and manufacturing method thereof to provide a cushioned packaging product that has high packaging stability and can minimize environmental pollution while reducing packaging material and costs. The packaging article has an outer skin film layer and an inner skin film layer with an air layer between them. The outer and inner skin films are fused together at ends to enclose the product. This allows the product to be packed without additional cushioning or boxes. The manufacturing method involves cutting and fusing the outer and inner tubes around the product, injecting air, and vacuuming to form sealed internal spaces with the air layer.

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Packaging material that can be expanded after shipping to save space during transportation. The packaging has regions with sealing materials that can be activated with different conditions. When the conditions are met, the sealing materials bond the regions together to seal the packaging. This allows the material to fold up and ship in a compact form with the regions unsealed. Once delivered, the sealing conditions can be applied to expand the packaging by sealing the regions and inflating any expandable materials.

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Expandable paper-based packaging material that allows customized packaging without additional materials. The packaging material has two layers, one expandable in a first direction that causes the other layer to expand in both the first and a normal second direction. This expands the thickness and creates air pockets. The expandable layer can be formed into customized enclosures by expanding it based on item dimensions.

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Expandable slit sheet paper for packaging and cushioning applications that can be expanded to form interlocking hexagonal cells for wrapping and cushioning objects. The paper has a slit pattern with parallel rows of slits that allow the paper to expand and form hexagonal cells when force is applied. The paper is extensible, stretching up to 9% in one direction and 5% in the other, to facilitate expansion. This allows the paper to be wrapped around objects and cushioned between them without separate layers. The expansibility is achieved by localized stretching of the paper during production. The paper can also be used to protect objects during shipping by wrapping and cushioning them in expanded slit sheets.

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A method to produce a sustainable, lightweight, expandable packaging material that can absorb mechanical shocks for protecting fragile goods during transportation. The method involves coating one material with expandable microparticles, then sandwiching it between two layers of a second material. The coated layer expands when heated, increasing the volume of the packaging. This allows compact storage and transportation of the packaging, which expands on demand to cushion the enclosed items during shipping.

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A packaging bag that provides cushioning, ease of packing, and waste reduction compared to traditional individual boxes. The bag has an inner bag with an opening and a sealing part, and an outer bag that houses the inner bag. A buffer layer forms between them. The inner bag can be tightly closed and filled with air to cushion the packed item. The outer bag opening can be sealed close to the inner bag. This prevents items from moving during transport. The outer bag can also have a bubble buffer sheet. The bags can be transparent or translucent to check the packed item. The inner bag is more flexible, and the outer bag stronger. This allows the inner bag to closely fit the item when filled with air. The bags can be folded and stored compactly. When unpacked, the air is removed to return the bags to a flat sheet.

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Recyclable expandable packaging material that can be customized to fit the size and shape of the item being shipped. The packaging material has expandable layers that can be stretched in one direction to expand the other layer perpendicular to it. This expansion opens air pockets and increases thickness for structural strength. The expandable layers are operably engaged and can be formed into rolls, sheets, sleeves, etc. to be customized and automated for packaging applications. The expandable packaging material replaces rigid cardboard boxes and foam padding, providing flexible and customizable protection with improved recyclability.

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Paper packaging material that is slit, expanded, and layered around an object or used as a void fill. The packaging material consists of multiple layers of expanded slit paper sheets. The slits are cut in a pattern that causes the sheets to expand into interlocking hexagonal cells when expanded. The sheets expand at different rates to maintain the same width when layered. The interlocking cells prevent nesting and maximize thickness compared to nested layers. The slit patterns have different angles of inclination to enable interlocking. This provides thicker, non-nesting layers compared to nested tissue paper void fills.

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Eco-friendly packaging material made from starch that is biodegradable and compostable. The material is a composite of expanded starch layers sandwiched between cellulosic webs like paper towels. The starch layers are formed by extruding dense starch pellets into tubes that expand when cooled due to water vaporization. The expanded tubes are slit and opened into sheets using forced air. The composite structure provides mechanical strength and durability while using biodegradable materials. The extrusion process allows creating expandable starch sheets efficiently.

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Device and method for manufacturing inflatable cushions used as protective packaging. The device uses a pinch zone with heating and cooling zones to seal and inflate the cushions in a continuous process. The cushions are formed by passing a web between rolls, sealing it with heat in the pinch zone, then inflating it with air in the cooling zone. A heating element follows the web support surface and a low friction layer prevents wear between rolls and heating element. The device allows high speed, consistent cushion production with reduced waste compared to manually inflating bags.

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Biodegradable alginate foam for packaging and packing materials that has improved mechanical properties compared to existing biodegradable foams like alginate-based foams. The foam is produced using a specific mixing protocol to control cell size and pore distribution. The protocol involves two mixing steps. In the first step, alginate, PVA, and CaCl2 are mixed at a low agitation speed for 20 minutes to form a gel. In the second step, the gel is mixed at a higher agitation speed for 30 minutes to incorporate air and form the foam. This controlled mixing sequence allows the foam to have a uniform pore size distribution and open cell structure, improving its mechanical properties compared to foams produced by other methods.

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A water-soluble, environmentally-friendly packaging material that can be inflated upon use and is hydrodegradable. The packaging material is made of a collapsed tubular roll of blown film with alternating sealed and unsealed areas. The unsealed areas allow air flow through connecting channels and form air chambers when inflated. The film is made of water-soluble polyvinyl alcohol (PVA) that dissolves in water. The collapsible design saves warehouse space compared to inflated packaging. The material can be stored uninflated for months and inflated just before use. After packaging, the material dissolves in water when it contacts moisture, eliminating waste.

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