30results about "Sacks" patented technology

An interior-mountable pressure relief valve for packages containing food products such as coffee that normally tend to out-gas. The relief valve of the present invention can be made by thermoforming a pocket of a barrier type of semi-rigid film that has a heat seal membrane on one side. An indent can be made in the bottom of this pocket to receive a filter medium that covers an aperture in the bottom of the pocket. The filter medium can be heat-staked to the pocket. A pressure relief valve known in the art containing a base layer, a pair of rails and a flexible membrane can be placed in the pocket. This valve and pocket assembly can be can be treated with a mesh membrane that is heat sealable to the seal side to prevent disassembly or contamination. The product can then be wound on a level wound spool for shipping to an end user. The end user can take the carrier tape and dispense it into a single piece dose and then heat seal the carrier to the inside wall of the package.

Bath time toy bag with a rectangular shape having mesh front panel and a mesh back panel, the panels sewn together at their edges so that the left and right side of the bag are permanently attached and the upper and lower edges of the bag are attached by one or more zipper assemblies. The zipper assemblies enable a user to insert play toys through the upper zipper assembly and to remove the play toys through the lower zipper assembly.

A lightweight, flexible, portable bag which can be filled with beach sand, rocks, dirt or other loose material is connected to the upper part of the pole of a beach umbrella by a long flexible cord. The lower portion of the cord is secured to the open end of the nylon bag. The upper end of the cord is connected to the upper end of the pole of the umbrella by a hook-and-loop type fastener strap which wraps around the umbrella pole. The lower end of the cord is fitted within a hem in the opening of the bag to form a drawstring for closure of the bag to retain the sand or loose material in the bag during use. One end of the cord is formed into a loop with the long end of the cord passing through the loop and connected to the umbrella pole. Tension on the cord during use will cinch the drawstring closed thus retaining the material within the bag. The weight of the bag connected to the upper part of the pole will stabilize the umbrella in light to moderate winds. Prior to filling, the bag has minimal weight so as to be easily transported.

A plastic storage bag which has flexible thermoplastic sidewalls can be evacuated by a vacuum device to preserve food items. The bag includes an interior volume provided by the sidewalls in which the food items can be inserted through an open top edge. Air from interior volume can also be withdrawn through the open top edge by the vacuum device prior to sealing the opening. To prevent the sidewalls from collapsing against themselves in a manner that impedes the flow of air to the vacuum device, the bag can include a separation member that maintains some separation between the sidewalls proximate the open top edge.

The invention provides a medical sterilization packaging bag comprising a surface layer and a bottom layer which are mutually connected to form a closed cavity; the surface layer is made of spun-bonded/melt-blown/melt-blown/spun-bonded composite non-woven fabric; and the bottom layer is made of a polypropylene and polyester composite film. According to the medical sterilization packaging bag, all inherent technical parameters meet the requirements of the national industrial standard YY/T0698, can be applied by various sterilization modes, the packaging bacterium resistance rate is improved, the sterilization shelf life is no less than 6 months, the use safety is ensured, and meanwhile the cost is reduced.

A plastic bag may include flexible thermoplastic sidewalls that have a pattern of ribs alternating between thinner areas. The ribs may also be alternating between two types of ribs having different lengths and shapes. The bag may also include a network pattern above the pattern of ribs.

A closure arrangement for a reclosable polymeric bag is disclosed, the closure arrangement comprising convex and concave areas that facilitate opening the bag. To initially open the bag, first and second films are separated from each other by tearing perforations. Next, interlocked closure profiles are detached from each other by grabbing onto gripper ridges and pulling the opening of the bag apart. If the first or second film becomes tucked into the groove left by the perforations such that the gripper ridges are difficult to access even after tearing the perforations, then the end of the opening may be flexed up or down, thereby causing separation of the convex area and concave area to provide access to the gripper ridges.

An easy open flexible container including two webs of material sealed together to form a containment area. At least one of the two webs includes at least two layers and one of the two layers includes a slit or perforation. The easy open flexible container further includes a heat seal joining the at least two layers together. The heat seal positioned over or adjacent to the slit or perforation to form a tearable track for opening the easy open flexible container.

A plastic bag includes a body having two sides. Each side of the body includes a corrugated portion having a layer unit with more than four layers. The load capacity of the plastic bag is increased due to reinforcement in structural strength at the sides by the corrugated portions. In preferred forms, the layer unit of each corrugated portion is interconnected to a bottom of the body. The layer unit of each corrugated portion has eight layers. The layer unit of each corrugated portion includes a recessed portion located inside of the body and having two sections contiguous to each other. Each section has four layers.

The Air Sport bag provides the user with a neat, convenient way to air out their sweaty sports gear. The Air Sport bag functions just like a regular sports bag in that it can be used to carry the equipment to games and home again. The new part about the Air Sport is that it can be zipped open. When zipped open the Air Sport can be propped up on a foldable, attachable plastic post or hung up by its hanger. Once this is done the gear, including helmet, shoulder pads, pants, kneepads and elbow pads may be hung on separate removable plastic hooks. Thus the Air Sport unfolds, hangs up the gear and allows it to air our more effectively and provides a convenient, organized means to do so.

A closure for a pouch comprising: (a) a cylindrical sleeve having a first open end and a second open end, (b) a longitudinal slit in the cylindrical sleeve having a close end proximate to the first end of the cylindrical sleeve and an open end at the second end of the cylindrical sleeve; (c) a rod adapted to be arranged concentrically within the cylindrical sleeve having a first end and a second end, the first end of the rod being adapted to engage with the first end of the cylindrical sleeve; and (d) a child-proof lock adapted to be removably connected to the second end of the cylindrical sleeve or to the second end of the rod to block the open end of the longitudinal slit.

The invention discloses a waterproof and fresh-keeping plastic woven bag. The waterproof and fresh-keeping plastic woven bag comprises a plastic woven bag body, wherein a first fixing block is fixedlyarranged on the front surface of a convex cover opening, a protective cover is hinged to the rear side of the convex cover opening, a sliding groove is formed in the bottom of the protective cover, atelescopic rod is arranged in the sliding groove, and a fresh-keeping device is arranged in a connecting base. According to the waterproof and fresh-keeping plastic woven bag, a waterproof cushion isarranged, so that the waterproof performance of the plastic woven bag body can be improved, and the influence of water stains on the surrounding environment is reduced; the protective cover can be quickly opened and closed through the combination of the telescopic rod and the first fixed block, and thus a user can conveniently pour and fill materials in the plastic woven bag body, and the bindingstrength of the user is reduced; and the fresh-keeping device can be used for carrying out fresh-keeping treatment on materials in the plastic woven bag body through the fresh-keeping device, the modification time of the materials is prolonged, and the taste of the materials is guaranteed.

The invention discloses a packing bag with variable partition cavities,which comprises a bag body; a partition layer is arranged in the bag body; the interior of the bag body is divided into partition cavities used for containing articles through the partition layer; the partition cavities are provided with bag openings allowing the articles to be put in or poured out; and the partition layer is detachably installed in the bag body. The packing bag with the variable partition cavities provided by the invention is stable in structure and reasonable in layout, detachable installation of the partition layer can be achieved, the size of the partition cavities is adjusted according to the use requirement, the current use requirement is met, the use is convenient, simple, reliable, and the practicability is wide.

The invention relates to a damp-proof bag. The damp-proof bag is characterized in that a bag body comprises an inner film bag and an outer protecting bag which is used for shading light; the inner surface of the outer protecting bag and the outer surface of the inner film bag are bonded with each other, a cover opening is formed in the end corner at one side of the top of the bag body, the cover opening is provided with a transparent sealing cover, and the cover opening is in threaded connection with the sealing cover; and a volume scale line is arranged on the outer surface of the sealing cover, a one-way exhaust valve is arranged on the end corner at the other side of the top of the bag body, a transparent capacity observation cavity is formed in the bag body, and a light shading stickercapable of being repeatedly pasted covers on the capacity observation cavity. The damp-proof bag has the advantages of being good in exhaust effect and good in damp-proof effect.

The invention discloses a transparent plastic packaging bag which comprises a bag body, a bag bottom strengthening layer, a bag lifting rope strengthening layer, a first lifting rope fixing ring and a second lifting rope fixing ring. The bag bottom strengthening layer is arranged at the bottom of the bag body, the bag lifting rope strengthening layer is arranged at the upper portion of the bag body, and the first lifting rope fixing ring and the second lifting rope fixing ring are arranged on the bag lifting rope strengthening layer. By means of the mode, the firmness of the bottom of the transparent plastic packaging bag is high, the firmness of a lifting rope position is high, and convenience is brought to the real life.

The invention discloses a semi-crawler-type coal rock sampling vehicle for a coal mine. The semi-crawler-type coal rock sampling vehicle comprises a vehicle body, a power device, a traveling device, athree-dimensional scanning device, a drilling device, a sample sealing device, an integrated control device and an explosion-proof radio remote controller, wherein the power device comprises a storage battery, a power management control device and a starting switch; the traveling device comprises a guide wheel, a crawler driving wheel, a crawler, a driving device and a traveling camera; the three-dimensional scanning device comprises a three-dimensional scanning probe device and an information storage device; the drilling device comprises an electric coring machine, a sampling drilling barrel, a mechanical grabbing hand and a signal control device; the sample sealing device comprises a sealing bag extraction device and a sealing bag sealing machine; the integrated control device is provided with a signal receiving and transmitting device; and the explosion-proof radio remote controller is provided with corresponding keys and a liquid crystal display screen. The semi-crawler-type coalrock sampling vehicle can realize unmanned sampling operation, can effectively protect underground personnel and provides accurate geological data for coal mining.

The invention discloses a food moisture-proof bag. The food moisture-proof bag comprises a main body, wherein the main body is divided into a left part and a right part; a clamping device is arranged in the main body; a drying device is arranged on the inner side of the clamping device; a sealing device is arranged on the upper side of the drying device; a packaging bag is arranged on the lower side of the main body; the clamping device clamps the left side and the right side of the upper end of the packaging bag; the sealing device seals the upper side of the packaging bag; and the drying device is used for drying a drying agent in the packaging bag.

A collapsible bag is disclosed having a handle and a compartment attached to the handle, the compartment formed of nine panels comprising front and back trapezoidal panels, a rectangular bottom panel, and left and right triangular expansion zones, each triangular expansion zone formed by an isosceles lower triangular panel and first and second congruent, scalene triangles. The expansion zones occur below a midpoint of the height of the compartment and distributes more space near the bottom of the bag while narrowing the bag at the top of the compartment. Moreover, the distance between the top of the isosceles triangular panels when the bag is open is greater than a width of the rectangular bottom panel and less than the handle width.

The present disclosure provides a carrier bag dispenser comprising a hold member arranged between a pair of struts for holding the carrying straps of a multitude of carrier bags, wherein said hold member has a support section, a fastening section and a separate retaining section, the latter two of which are resiliently connected, in some cases by at least one spring screw. The present disclosure further provides a carrier bag dispenser comprising a hold member arranged between a pair of struts for holding the carrying straps of a multitude of carrier bags, wherein said hold member has a support section, a fastening section and a retaining section having a front and a rear side wherein said rear side comprises a multitude of grooves extending from one side edge to the opposing side edge thereof. And, the present disclosure provides a carrier bag dispenser carousel comprising a multitude of carrier bag dispensers according to the present disclosure. Moreover, the present disclosure provides a hold member for holding and retaining a multitude of pairs of straps connected to respective carrier bags, wherein said hold member comprises a fastening section for fastening the hold member to a bag dispenser, a retaining section located, in regular use, above the fastening section having a front and a rear side and opposing side edges and a support section for the carrying straps located on the rear side of the hold member, wherein the retaining section and the fastening section of the hold member are separate elements which are resiliently connected, in some cases by at least one spring screw, or wherein the retaining section and the fastening section of the hold member are separate elements or are in one piece and wherein the rear side of the retaining section comprises a multitude of grooves extending from one side edge to the opposing side edge. Furthermore, the present disclosure provides a kit-of-parts carrier bag dispenser for holding a stack of carrier bags each having a pair of carrying straps and a pair of spaced apart holes in the upper region of the bag as well as for dispensing individual carrier bags comprising a T-shirt bag dispenser and a hold member according to the present disclosure.

The invention provides a composite plastic woven bag capable of retaining freshness, and belongs to the technical field of plastic woven bag processing. The composite plastic woven bag capable of retaining freshness comprises a water absorption layer, a woven layer and a protective layer from inside to outside in sequence. The water absorption layer comprises, by weight, 55-75 parts of polyurethane granules, 20-30 parts of polyethylene and 7-15 parts of loofah sponge fiber. The woven layer comprises, by weight, 60-70 parts of polypropylene granules, 20-30 parts of polyethylene and 5-10 parts of coolmax fiber. The composite plastic woven bag has excellent water absorption, moisture resistance, antibacterial and freshness-retaining properties, can delay deterioration of the quality of storedmaterials and prolong the storage time of the materials.

The invention relates to a packaging bag for a product, in particular to a simple packaging bag, which comprises a packaging box body, and is characterized in that a tube communicated with the inside of the packaging box is arranged at one corner of the top end of the packaging box, and a matched fastening cap is arranged at the top end of the tube. The simple packaging bag is simple in structure and convenient in use.

Provided is a cylindrical molded body having a resin layer containing a barrier resin, the barrier resin containing a vinylidene chloride copolymer, the cylindrical molded body having a total thickness of at least 100 mu m.

The invention provides a packaging bag and application thereof. The packaging bag comprises a packaging bag opening part and a packaging bag body, wherein the packaging bag opening part and the packaging bag body are integrally connected; internal folded wires which are sunken towards the inner side of the packaging bag body are arranged at the connection part of the packaging bag opening part and the packaging bag body; a sealing bonding strip which can perform sealing multiple times is arranged below the packaging bag opening part; zigzag tearing wires are arranged on the outer side of the packaging bag body; tearing wire pull heads are arranged on the tearing wires; the packaging bag opening part and the packaging bag body are composed of a plastic film layer and an outer layer; the outer layer is arranged on the outer side of the plastic film layer; and the tearing wires are arranged on the outer layer. The packaging bag has the beneficial effects that a plastic film is prepared through adopting the seven-layer coextrusion blow molding manner, the shelf life of industrial milk powder can be effectively prolonged through the packaging bag prepared through the film, the milk powder does not go bad within 3 to 6 months and even 12 months, the shelf life of industrial milk powder is prolonged, and the storage time of industrial milk powder is effectively prolonged.

The invention discloses a tear-resistant blown film and a preparation process thereof, relates to packaging bags, and aims to solve the problem that normal use of a film bag is affected due to the fact that the film bag is prone to deformation under the pulling action of a hand, severe deformation and damage are caused, and the key point of the technical scheme is that the tear-resistant blown film comprises a base body of a cylindrical structure formed through blow molding, the base body comprises an inner layer and an outer layer, frosted parts located on the outer circumferential wall of the base body are formed on the surface of the outer layer, the multiple frosted parts are arranged in the length direction of the base body, and a cloth layer bonded with the base body is arranged between every two adjacent frosted parts. Through the arrangement of the cloth layer, the tear resistance and puncture resistance of the film can be improved, the service life of the film and the service life of a film bag can be prolonged, the high-density outer layer is made of a polyvinyl chloride material, polyvinyl chloride has the advantages of flame retardance (the flame retardant value is 40 or above), high chemical resistance and good mechanical strength and electrical insulating property, the comprehensive capacity of the film can be improved, and the service life of the film bag can be prolonged. And the strength is good.

The invention provides a special-shaped pouch for packaging, which includes a bag body, the inner layer of the bag is covered with a layer of PE film, and the bag body is formed by sealing and sealing the front side of the bag body and the back side of the bag body; the front side of the bag body After sealing with the back of the bag body, the opening edge sealing, left edge sealing, upper right edge sealing, right lower side edge sealing and bottom edge sealing of the bag body top are formed. The invention makes the bag body have excellent protection performance, can be waterproof and moisture-proof, and at the same time has a certain heat insulation effect; it is odorless, non-toxic, safe and reliable, and adopts this sealing method and folding method, which can be glued by hand during production. The knot is pasted directly.