1110results about "Flexible container closure" patented technology

A resealable bag assembly can include an open-ended bag and a zipper assembly having a tear strip. Interlocking profile bodies of the zipper assembly can repeatedly mate with each other to seal the bag closed and separate from each other to open the bag. The tear strip can be pulled to tear an opening through the zipper assembly. In contrast to some known bag assemblies having tear strips along top edges, top bends, or top folds in the bag assemblies, one or more examples of the zipper assemblies described herein may position the tear strip along a front side or surface of the bag assembly, which also can be the surface of the bag assembly that is presented to a consumer and may include indicia identifying the product inside the bag assembly and / or the entity manufacturing or selling the product.

A transport bag includes a closure device for detachably connecting the front wall to the rear wall in the closure state for receiving the conveying good and for releasing the connection from the closure state into the open state for releasing the conveying good. The locking of the closure device is performed with the aid of an electric drive. The reversible closing lock is achieved with the aid of the spring of the solenoid. For the opening of the closure device, the solenoid is switched for a short time and the reversible closing lock is released. The switching takes place in the unloading station by supplying electric current to the electric contacts with the aid of the electric switching contacts of the unloading station.

A reclosable enclosure includes a body having a front panel and a back panel secured to each other and forming a cavity therebetween to store contents. The body includes a flap that extends from a top end of the body. The reclosable enclosure includes a zipper assembly coupled to an interior surface of at least the front panel. The zipper assembly includes a first profile strip and a second profile strip that form a reclosable zipper to selectively close the cavity. The flap blocks access to the reclosable zipper and is sealed to at least one of the front panel or the second profile strip in an intact state of the flap. The flap defines one or more lines of weakness to permit irreparable separation of a sub-flap from a remainder of the flap to access the reclosable zipper.

There is disclosed a bag having a tubular body with a top open end and a bottom closed end. The tubular body has a larger open diameter at the top open end. The tubular body narrows into a narrower open diameter adjacent to a bottom closed end. The tubular body in a flattened two-fold condition has a pair of side edges extending from a top edge to a bottom edge. The top edge delimits the top open end. The bottom edge delimits the bottom closed end. The pair of side edges are generally parallel to one another in a first portion adjacent to the top edge.

A tamper-evident bag assembly that can be sealed to enclose contents within the bag assembly in a tamper-evident manner. The bag assembly is provided with closure tabs that can be folded over the top edges of the bag assembly and sealed to a side panel of the bag. Strategic portions of the bag assembly can be scored to indicate tampering if unsealing of the adhesive takes place. The bag assembly is also provided with a pull tab designed facilitate opening of the sealed bag assembly to reveal the contents contained therein. When the pull tab is used to open the sealed bag, the bag cannot be re-sealed.

An enclosure assembly can include panels on opposite sides of an interior volume, and a zipper assembly between the panels. The zipper assembly may include a tear strip that can be pulled and tear through one of the panels and create an opening through which the zipper assembly is accessible. This panel can include a deformation pattern formed from thinned out areas of the panel that one or more of overlap or do not overlap the tear strip. The deformation pattern can reduce a pulling force needed to tear through the panel within the deformation pattern relative to outside the deformation pattern.

A resealable bag topper for application to a non-resealable packaging bag is disclosed. An example device includes a flexible topper body defining an access channel, a resealable mechanism such as a zipper or slider closure to open and close the channel, and an adhesive portion for affixing the body to the bag. To enable multiple uses of the device, the adhesive portion is specially configured. In one example, the adhesive portion includes a repositionable adhesive or a multi-layer assembly of stacked adhesive layers that enables the entire device to be removed from a first bag and reapplied to a subsequent bag. In another example, the adhesive portion is made integral with the topper body.

The utility model relates to the technical field of freeze-drying, in particular to a disposable container suitable for a freeze-drying process. The disposable container suitable for a freeze-drying process comprises: a flexible container; the flexible container is of a bag body structure with a bacterium blocking and shielding function; the flexible container is provided with a frame structure to form a liquid loading area for maintaining the geometrical shape of feed liquid; the flexible container is provided with a first transmission interface for transmitting liquid into the flexible container and keeping the liquid sterile; the flexible container has a second delivery interface that delivers the powder to the outside thereof and remains sterile. As a pre-sterilized totally-closed container applied to a tray freeze-drying process, each process link of tray freeze-drying can be kept sterile without the protection of a hundred-level environment. The product provided by the utility model can be sterilized in advance and can be used after being disassembled, the state confirmation of the isolator and the online cleaning and the online sterilization of equipment in the traditional production process are not needed any more, and the production efficiency is improved.

A container or pouch (40) made entirely of elastomer, comprising a main body (42) having a front wall (46) and a back wall (48) connected to the front wall (46) along an outer peripheral edge (50), and a closure system (44) comprising a front side (70) and a back side (72). The front side (70) has a front sealing profile (84) comprising a male closure element (100), the back side (72) has a back sealing profile (86) and defines a cavity (156), the back sealing profile (86) comprising a female closure element (102), wherein a centerline extension (162) extends through the cavity (156). The back side (72) comprises an inner portion (180) and an outer portion (182), the inner portion (180) comprising the entire cavity (156). A thickness (224) of a thickened region (208) measured in a direction parallel to the centerline (162) is less than 35% of a total thickness (234) of the closure system (44) in a closed configuration measured in a direction parallel to the centerline (162).

The utility model discloses a reinforcing type cement packaging bag, which relates to the technical field of cement packaging bags and comprises a bag body, an internal thread is arranged in a material port, an external thread matched with the internal thread is arranged on the surface of a sealing cover, a reinforcing base is fixedly connected to the bottom of the bag body, vertical reinforcing belts are uniformly distributed on the top of the reinforcing base, and the vertical reinforcing belts are fixedly connected to the bag body. Transverse reinforcing belts are evenly arranged on the surfaces of the vertical reinforcing belts, and the vertical reinforcing belts and the transverse reinforcing belts are all arranged in the bag body and fixedly connected with the bag body. And the reinforcing base, the vertical reinforcing belts and the transverse reinforcing belts are arranged to enhance the structural strength of the bag body, the bag body is prevented from being damaged during carrying, and the use frequency of the bag body is increased. The sealing cover is fixed to the surface of the mounting plate through mutual cooperation of the internal threads and the external threads, cement in the bag body is poured out from the material opening by opening the sealing cover, when the cement is left, the sealing cover is covered, the residual cement in the bag body is prevented from going bad, the sealing performance in the bag body is improved, and the cement is convenient to store.

This utility model discloses a product packaging bag technology, specifically a sealed packaging bag for disinfection products. It includes a main body serving as the packaging substrate, with ventilation holes on the main body. A label is attached to the main body, corresponding to the ventilation holes. The label comprises a PE film and a dialysis paper layer, arranged sequentially from bottom to top. The label uses a double-layer structure of PE film and dialysis paper, which, together with the ventilation holes, forms an ethylene oxide window, ensuring the entry and exit of ethylene oxide while preventing microbial invasion, achieving highly efficient sterilization. While sterilizing and disinfecting, it also ensures the release of ethylene oxide, reducing ethylene oxide residue.

The utility model relates to the technical field of packaging bags, and discloses a portable packaging bag which comprises a packaging bag body, sealing strips are connected to the front end and the rear end of the inner wall of the packaging bag body in an adhering mode, a first handle is fixedly connected to the front end of the packaging bag body, and a second handle is fixedly connected to the rear end of the packaging bag body. The packaging bag body comprises an outer layer, a first thermal insulation layer, a buffer layer and an inner layer. According to the hand-held packaging bag, the air bag of the buffer layer and the polyurethane foam in the buffer layer enable the buffer layer to play a role in heat preservation while buffering, the aluminum foil of the first heat insulation layer is excellent in reflection performance and can reflect a large amount of heat radiation and reduce outward heat dissipation, and the buffer layer and the first heat insulation layer are matched with each other, so that the heat preservation effect of the packaging bag is greatly improved; the outer layer and the inner layer are both made of recycled paper, the recycled paper is low in manufacturing cost and has a certain waterproof effect, the waterproof function can be achieved on the premise that the strength is guaranteed, and the packaging bag is more energy-saving and environmentally friendly.

The utility model relates to the technical field of PE sealing bags, and discloses an efficient airtight PE sealing bag which comprises a PE sealing bag body, a fixing belt, an adjusting protective belt, a hook-and-loop fastener loop face and a hook-and-loop fastener hook face, the fixing belt is fixedly installed on one side of the PE sealing bag body, the adjusting protective belt is fixedly installed on one side of the fixing belt, and the hook-and-loop fastener loop face is fixedly installed on the other side of the fixing belt. The PE sealing bag has the advantages that by arranging the protection assembly, the surface of the PE sealing bag body can be protected, the PE sealing bag body is prevented from being collided and damaged by the outside, the sealing effect of the PE sealing bag body is prevented from being affected, the service life of the PE sealing bag body can be prolonged, the service life of the PE sealing bag body is prolonged, and the service life of the PE sealing bag body is prolonged. And by arranging a fixing belt, an adjusting protection belt, a hook-and-loop fastener rough surface and a hook-and-loop fastener hook surface, the sealing lock head can be protected, the lock head is prevented from moving due to external force, the sealing effect of the PE sealing bag body is better, and the air tightness of the PE sealing bag body is improved.

A recyclable woven laminated plastic bag having features that further prevent leakage of contents out of the bag, or infestation of organisms into the contents of the bag is provided. In various aspects the bag can be fabricated from a woven polyethylene, polypropylene, or combination thereof layer which can be laminated using polyethylene, polypropylene, or combination thereof resin with a film layer formed from polyethylene, polypropylene, or combination thereof, can form a sealed corner bag and / or a diagonal sealed bag, and can have one or more sides include graphics and / or printing. The bag can also provide a top end and / or a bottom end either or both of which provide a discrete area which may contain discrete graphics and / or printing.

The packaging bag comprises a bag body and a U-shaped notch formed in the side portion of the upper portion of the bag body, the left side of the U-shaped notch is a feeding opening of the bag body, the right side of the U-shaped notch is a discharging nozzle of the bag body, the feeding opening can be sealed through a sealing structure, and the discharging nozzle can be sealed through a sealing structure. And a tearable sealing rubber strip is arranged at the top of the bag body. The seasoning box is reasonable in design, simple in structure, convenient to use, good in sealing effect and capable of effectively avoiding the problem of seasoning deterioration.

The microwave oven exhaust sealing bag comprises a bag body, a containing cavity is formed in the bag body, side sealing edges are arranged on the side edges of the bag body, the two inner side faces of the bag body are made of the same material, and at least one pressure relief belt is arranged on one inner side face. The pressure relief belt and the inner side face are made of different materials, and at least one end of the pressure relief belt and the edge of the other inner side face are sealed to form an exhaust part located on the side sealing edge. The edge sealing strength of the exhaust part is lower than that of the other portions of the side sealing edge, and when the pressure in the containing cavity reaches a threshold value, the exhaust part is burst open to form an exhaust channel. The utility model provides an exhaust sealing bag for a microwave oven, which can be kept sealed when not heated and can be used for exhausting and relieving pressure to prevent the bag body from being exploded when heated, so that the sealing property and the safety are both considered.

The utility model provides an environment-friendly wear-resistant moisture-proof woven bag, which belongs to the technical field of woven bags and comprises a woven bag main body and a cross adhesive tape component arranged outside the woven bag main body, and the cross adhesive tape component comprises a waterproof coating, a wear-resistant protective sleeve, a wear-resistant reinforcing sleeve, a first sealing adhesive tape, a second sealing adhesive tape, a magic tape, a supporting rubber sleeve and a silica gel ball. The waterproof coating is adhered to the outer wall of the woven bag main body, the wear-resistant protective sleeve is adhered to the outer wall of the waterproof coating, and the wear-resistant reinforcing sleeve is adhered to the bottom of the outer wall of the wear-resistant protective sleeve. Through the crossed rubber strip assembly, the first sealing rubber strip and the second sealing rubber strip can be more tightly attached to the opening of the woven bag body, an effective sealing barrier is formed, entering of external moisture and dust is greatly reduced, and silica gel balls in the supporting rubber sleeve can achieve repeated moisture absorption; the wear-resistant reinforcing sleeve prevents the woven bag main body from being directly worn by the ground when the woven bag main body is dragged.

The utility model discloses a moistureproof co-extrusion film bubble envelope bag, which relates to the technical field of co-extrusion film bubble envelope bags and comprises a bubble bag, a waterproof film is fixedly arranged on the outer surface of the bubble bag, an anti-tearing layer is fixedly adhered to the inner surface of the bubble bag, a thermal insulation layer is fixedly pressed on the inner surface of the anti-tearing layer, and the thermal insulation layer is arranged on the outer surface of the bubble bag. A foam pad is fixedly arranged on the inner surface of the thermal insulation layer in an adhesive mode, and the waterproof film is a polytetrafluoroethylene film. Compared with an existing common co-extrusion film bubble envelope bag, the damp-proof co-extrusion film bubble envelope bag can avoid tearing damage and puncture breakage of the bubble bag, improves durability of the bubble bag, isolates temperature exchange between the interior of the bag and the outside, avoids the situation that the interior of the bag is moist due to temperature difference changes, and improves the service life of the bag. The protection capability of articles stored in the bag body can be enhanced through the foam pad, and a small amount of water vapor generated in the bag body can be absorbed, so that the interior of the bag is prevented from being moist again, and the whole bag body can be fully and effectively moistureproof.

The utility model discloses a fried rice packaging bag with a rolled garbage bag, which comprises a bag body, a supporting sheet is fixedly connected in the bag body, a zipper is arranged on the supporting sheet, a supporting plate is arranged below the supporting sheet, a storage groove is arranged on the supporting plate, the rolled garbage bag is arranged in the storage groove, and the rolled garbage bag is arranged in the storage groove. A rotating groove is formed in one side of the storage groove, a rotating rod is rotationally connected in the rotating groove, a supporting rod is fixedly connected to the rotating rod in a sleeving mode, the supporting rod is connected into the rolled garbage bag in a sleeving mode, a bearing groove is formed in the other end of the storage groove, and a threaded rod is fixedly connected in the bearing groove; the other end of the supporting rod is connected to the threaded rod in a sliding and sleeving mode, the top end of the threaded rod is connected with an abutting sleeve in a threaded and sleeving mode, an opening is formed in one side of the bottom end of the bag body, and one end of the rolled garbage bag is inserted into the opening.

A zipper closure includes mating first and second profiles, which releasably interlock along a parting line along the side. A slider can be used to open and close the slider. The slider has a channel, which receives an ear on the second profile, and the ear rides through the ear-receiving channel to align engaging structure of the first and second profiles and roll them together into interlocked engagement. The slider has a splitter on a deflectable tab, which can be pressed into a notch on the zipper closure to initially separate the mating profiles, while moving the slider to direct the ear into an ear-receiving channel in the slider and deflect the ear to a side and pry open and separate the profiles.

An article (50) is configured for application to an item (54). The article (50) includes a substrate strip (58) and an adhesive layer (66). The substrate strip (58) has opposed first (60) and second (62) major surfaces, opposed first and second ends along a length of the substrate strip (58), and a first width orthogonal to the length. The adhesive layer (66) is disposed on the second major surface (62) and has a second width. A first portion of the adhesive layer (66) is configured for attachment to the item (54), a second portion of the adhesive layer (66) is configured for attachment to a seal portion (68) of the substrate strip (58), and a terminal flap (70) at each of the first and second ends has a non-adhesive inner surface and a non-adhesive outer surface (60).

The application provides a sealing device and a sealing bag. The sealing device comprises a base, a first sealing structure arranged on the base, a second sealing structure arranged on the base and adjacent to the first sealing structure, and the sealing mode of the second sealing structure is different from that of the first sealing structure, a control circuit electrically connected to the first sealing structure and the second sealing structure, and the control circuit is used for controlling the first sealing structure and the second sealing structure to perform synchronous sealing operation.

A container sealing system, comprising a container, wherein the container includes a closure mechanism configured to close an open end of the container; a strip of adhesive-bearing material separate from the container configured to cooperate with the closure mechanism of the container, wherein the adhesive is deposited on only one side of the strip of material and positioned to bind to itself; and a permanent seal created by the cooperation of the closure mechanism of the container and the strip of adhesive-bearing material, wherein the permanent seal cannot be broken without damaging the container, the trip of adhesive-bearing material, or both, thereby creating visual evidence of tampering with the container.

The utility model relates to the field of sub-packaging bags, and discloses a novel oral medicine sub-packaging bag which comprises a bag body, an inner bag is fixedly connected to the upper side of the interior of the bag body, a sealing strip is fixedly connected to an opening of the inner bag, a soft connecting rod is fixedly connected to one side of the sealing strip, a movable buckle is slidably connected to the outer portion of the soft connecting rod, and the movable buckle is fixedly connected to the opening of the inner bag. A sliding groove is formed in one side of the interior of the bag body, the movable buckle is slidably connected to the interior of the sliding groove, and a base layer is fixedly connected to one side of the interior of the bag body. According to the utility model, the convenience and flexibility of operation are improved, meanwhile, the size of an opening of the inner bag can be better controlled, medicines are effectively prevented from being polluted when being subpackaged or taken, the requirements of a medical environment can be better met, the quality and the safety of medical articles in the bag are effectively protected, the storage, the transportation and the use are convenient, and the practicability is high. And the risk that the medical articles are damaged or polluted in the circulation and use processes is reduced.

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 utility model belongs to the technical field of transparent film bags, and discloses a transparent film bag with a diaphragm structure, which comprises a transparent film bag body, the upper parts of the inner walls of the two sides of the transparent film bag body are jointly provided with a pressing and sealing strip, the inner surface of the transparent film bag body is provided with a diaphragm mechanism, and the diaphragm mechanism comprises a contact layer. The membrane mechanism comprises a contact layer, a barrier layer and a protective layer, one side of the contact layer is provided with a transition layer, one side of the transition layer is provided with the barrier layer, one side of the barrier layer is provided with the adhesive layer, and one side of the adhesive layer is provided with the protective layer. Under the action that the blocking layer effectively blocks external factors such as air and moisture and the protection layer protects the internal structure from being damaged, the protection function of the film bag is enhanced, the requirement for all-around protection of articles is met, and the articles are prevented from going bad and being damaged.

A container formed entirely of elastomer comprises a body including a front wall and a rear wall connected to the front wall along its periphery. The container further comprises a closure system including a front side having a male closure profile containing a male closure element and a rear side having a female closure profile. The female closure profile includes a female closure element and defines a cavity. A centerline extends through the cavity such that the female closure element is symmetrical with respect to the centerline. The male closure element includes a head portion having a primary profile and a secondary profile extending from the primary profile. The height of the secondary profile, measured perpendicular to the centerline, is greater than the height of the primary profile, measured perpendicular to the centerline.