TW462938B - Flexible storage bag - Google Patents

Abstract

The present invention provides a flexible storage bag having an opening and a closure system for the opening, wherein the closure system provides a high contrast color indication when complete closure of the closure system has been achieved. The closure system may be a mechanical interlocking seal or an adhesive-based closure system. The high contrast color indication may be a change from colorless to colored, from white to black, and/or from translucent to opaque.

Description

4 6 293 8 _Case No. 89109762_ Year Month ___ V. Description of the invention (1) _ Cognizant scope The present invention relates to closures, such as those commonly used in flexible storage bags, especially suitable for containing perishable Container and protector of various items of materials. BACKGROUND OF THE INVENTION Flexible storage bags, which are used for the storage and protection of various items and the preservation of perishable materials such as food, are well known in the art. This bag typically includes a polymer film rectangular plate folded over itself and sealed along two edges to form a semi-closed container with two flexible opposite side walls, three sealed or folded edges, and an open edge . A closure formed integrally with the bag or independently provided completes the storage assembly. The integrally formed closure is such as an interlocking rib-type seal, and the independently disposed closure is such as plastic or paper-c1ad-w i re tie o As used herein, the term "flexible" means materials that can be flexed or bent-particularly repeatedly flexed or bent-such that they are flexible and bendable in response to externally applied forces . Therefore, the meaning of "flexible" is roughly the opposite of the terms inflexible, rigid, or inflexible. Therefore, flexible materials and structures can be changed in shape and structure to accommodate external forces and to match the shape of objects in contact with them without losing their integrity. The aforementioned types of flexible storage bags are typically formed from a polymer film, such as a member of the polyethylene or polyolefin family, and have a thickness between about 0.002 inches and about 0.02 inches. This film is often transparent, but sometimes opaque and / or tinted. Currently commercially available types of flexible storage bags provide a device that can conveniently store a wide range of items and materials in commonly disposable containment equipment. . Many commercially available flexible storage bags utilize mechanical interlocking seals to close the opening of the bag, and some such bags use an additional slider

O: \ 64 \ 64346.ptc Page 4 46293 8 Case No. 89109762 Amendment V. Description of the Invention (2) ^ Mechanical closures, there are various types of complete closures are currently available in the market. Although one system involves another, the original light production is completed although many are closed. In addition, because the invention of the system is related to the existence of the lighting, the lighting interlock is also possible. At this time, the outline of the completion of the port is sealed, the imperviousness of the drawing, the invention is closed, or the base is clear. It is produced with a simple and uniform appearance, and it is difficult to provide the system correctly above the sticky color, indicating that it is more mechanical whether it is on the field and blue-red and semi-transparent when it is colored or raised. In order to indicate that there are two types of easy-to-reciprocal, they are yellow and blue, and their supply is tight, and it is difficult to complete the opening and lock sealing by visual barriers. The zipper seals of colored components are completely distinguished by the original seal. People who have just passed the correct interpretation of a closed seal, still start with the interlocking pieces such as change, and consume tightly when they are 20%, such as release pieces, mechanically ask the system to lock to produce the original colors sealed on each side. The lifted interlocking question of overlapping color blind seals is left to complete to change the element or visual condition that is seen through the color that is formed when simply generating green and purple. For complete sealing. That is, the closure is sealed with this seal. Dyed once closed and re-indicated, the sensitivity of the light of the coloring system despite the bag mouth. Close, and the color of the different pieces. However, in the closure lowered by the density, there has been a flexible storage bag having an opening and an opening for opening, wherein the complete closure of the closed system in the closed system has been contrasted with coloring instructions. The closed system may be a closed system of a mechanical interlocking agent. The high-contrast coloring indicator can be changed from colorless to white to black, and / or from translucent to white, although the specification specifically states and clearly declares the scope of patent application of the present invention.

0: \ 64 \ 64346.ptc Page 5 46293 8 _Case No. 89109762_ Year Month Day __ V. Description of the Invention (3) _ is a conclusion, but I believe that the present invention can be better understood from the following description in conjunction with the drawings, attached The same reference numbers in the figures indicate the same components, wherein: FIG. 1 is a front view of a flexible storage bag using a closure member according to the present invention; FIG. 2 is a front view of another flexible storage bag according to the present invention; FIG. 3 FIG. 4 is a perspective view of another flexible storage bag according to the present invention; and FIG. 4 is another front view of the flexible storage bag according to the present invention. Brief description of component reference symbols: 10 flexible storage bag 20 bag body 22 fold line 24, 26 side seam 30 edge 40 closed system 50 purple appearance 60 4 knife clear and colorless appearance 70 detailed illustration of consumer hand invention drawing 1 A preferred embodiment of the flexible storage bag 10 according to the present invention is shown. In the embodiment shown in FIG. 1, the flexible storage bag 10 includes a bag body 20, which is formed by a piece of flexible sheet material, which is folded over itself along the folding line 22 and along the The side seams 24 and 26 are combined with themselves to form a semi-closed container with an opening along the edge 30. The flexible storage bag 10 also includes a mechanical closure system 40 adjacent the edge 30 to seal the edge 30 to form a completely closed container or vessel. A bag such as the flexible storage bag 10 of Fig. 1 may also be constructed of a continuous sheet tube, thereby eliminating side seams 24 and 26, and replacing a bottom seam for the folding line 22. The mechanical closure system 40 includes an interlocking mechanical seal, the design of which is of any suitable conventional type. According to the invention, the closure system 40 is completed when the closure of the closure system has been completed.

0: \ 64 \ 64346.ptc Page 6 462938 _Case No. 89109762_Year Month Day ___ V. Description of the Invention (4) _τ Provides a high-contrast coloring indicator. As used herein, the term "high contrast color indicator" is used to mean a change in visual appearance that is an absolute, not a degree, difference. For example, a high-contrast coloring indicator may change from colorless to colored, from white to black, and / or from translucent to opaque instead of changing from one coloring to another coloring to the same degree. High-contrast coloring indicators can be seen from one or both sides of the bag. With continuous reference to FIG. 1, the closed system 40 provides a high-contrast coloring indicator. When the consumer ’s hand 70 moves along the closed system 40 to interlock the opposing elements of the mechanical interlocking seal, the form changes from number 6 The initial clear / transparent / colorless appearance indicated by 0 is changed to the purple appearance indicated by number 50. Fig. 2 shows a similar flexible storage bag 10, in which the form of the high-contrast colored indication is changed from the initial white appearance indicated by the number 60 to the black appearance indicated by the number 50. FIG. 3 shows a flexible storage bag 10, which uses a pressure-driven closed system based on dispensing 45, which provides a high-contrast coloring indicator in the form of an initial clarity indicated by the number 60 / Transparent / Colorless appearance changes to the green appearance indicated by number 50. A suitable adhesive-based closure system includes a selectively actuated adhesive support structure that is protected from inadvertent contact by a plurality of compressible, detachable protrusions that are surrounded by the adhesive and the adhesive is Provides a strong, hermetic seal when actuated. A suitably representative three-dimensional space material of this type-it contains a thin layer of pressure-sensitive adhesive, the adhesive is protected from unintentional contact, and methods and devices for manufacturing them have been developed, and are described in detail in a joint assignment U.S. Patent No. 5,6,6,7,58, which was issued to Hamilton and McGuire on September 2, 1997, entitled "Composite Materials Releasably Sealed to a Target Surface and Releasable When Compressed Against abutment, and

O: \ 64 \ 64346.ptc Page 7 46293 3 _Case No. 89109762__ Year, Month, and Day Amendment_ V. Description of the Invention (5) Its Manufacturing Method "and U.S. Patent No. 5,871,607, which was issued in 1999 2 Granted to Hamilton and McGuire on May 16th, entitled "Materials with Substances Protected by Deformable Supports and Manufacturing Methods", and US Patent Application under Common Assignment and Common Examination 0 8/74 5, 3 3 No. 9 (approved), in the name of McGuire 'Tweddell and Hamilton on November 8, 1996, with the name "Three-dimensional, Nesting-Resistant" sheet, and its manufacturing method and device j, and 08/745, 340 'November 8, 1996, filed in the name of Hamilton and McGuire under the name "Improved Storage Covering Material", all of which are hereby incorporated by reference. FIG. 4 is a mechanism similar to the flexible storage bag 10 ′ of FIG. 1, but using a sliding mechanical closure (no number) _ as a mechanism for closing the interlocking mechanical closure 40. The sliding mechanical closure may be a suitable conventional design ' for the type of interlocking mechanical seal used. Any suitable device for generating a high contrast coloring indicator conforms to the materials used in the construction of the bag and the closed system, and the desired contents of the bag (ie, food grade, disinfectant, etc.) and foreseen environmental conditions are available. Coloring and indication can be selected according to the coloring of the ingredients of the bag, the contents of the bag and the chemical / structural method used. For example, high-contrast coloring indications from translucent to opaque or black can be done by opposing surfaces with a coating. The coating can block enough light when pressed to make it appear much darker when combined. Another more unusual method is to use a coating that polarizes light so that when they are separated, they appear completely clear, but when combined, they will block enough light to pass through to make them appear opaque. Another suitable method for generating high contrast coloring indicators is to use a chemical structure

O: \ 64 \ 64346.ptc Page 8 4 6 293 9 _Case No. 89109762_ Year Month ___ V. Description of the Invention (6) _ System, which is colored by chemical reaction when contacted. One of these systems consists of a microcapsule phenolthalene solution sprayed on one side of the seal and a microcapsule salty solution sprayed on the other side. When the two sides are pressed together under sufficient pressure to create a seal, the capsule will burst, the indicator will respond, and a pink color will appear. If appropriate water is brought into the adhesive, this may be done without the need for microcapsules. Another method is to use capsule inks, which are similar to those used in carbonless forms. These can be printed in the adhesive-tight tissue of the adhesive closure system, covered with varnish or other impervious coating, or printed between the adhesive and the bag material. For mechanically closed systems, capsule inks can be located inside a mechanical interlocking seal. Various compositions suitable for use in forming the flexible storage bag of the present invention include materials that are generally impermeable, such as polyethylene gas (PVC), polyvinylidene chloride (PVDC), polyethylene (PE), polypropylene (PP), Aluminum knots, coated (wax-coated) or uncoated paper, coated non-wovens, etc., and materials that are generally permeable, such as gauze, mesh, woven, non-woven, or porous or porous films, It is actually mainly a two-dimensional space or a structure forming a three-dimensional space. This material may include a single composition or layer, or may be a composite structure of a plurality of materials, including a substrate serving as a material carrier. Once the desired sheet is made in any desired and appropriate manner, including all or part of the material to be used in the body of the bag, the bag may be constructed in any conventional and appropriate manner, such as is known in the art for use in Producer of this bag in a commercially available form. Thermal or adhesive sealing techniques can be used to connect the various components or elements of the bag to themselves or to each other. In addition, the bag body can be thermally formed, blown, or molded instead of relying on folding and bonding technology to

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Λ6293 B _Case No. 89109762_Year Month and Day ___ V. Description of the invention (7) _ — A bag made of rolls or sheets of material. The two most recent U.S. patents are No. 5,554,093, granted to Porchia et al. On September 10, 1996, and 5,575,747, granted to Dai s et al. On November 19, 1996 It shows the latest technology related to the flexible storage bag. The overall structure of the flexible storage bag is similar to that shown in Figures 1 and 2, but its type is currently available. Although a specific embodiment of the present invention has been shown and described, those skilled in the art will understand that various changes and modifications can be made without departing from the spirit and scope of the present invention. Therefore, it is intended to cover all such changes and modifications within the scope of the invention within the scope of the appended patent applications.

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Claims (1)

Λ6293 8 _ Case No. 89109762_ 年月 日 _ί ± ί .__ VI. Scope of Patent Application 1. A flexible storage bag comprising: (a) —a bag with an opening; and (b) —a closed system, which Adjacent to the opening to close the opening; wherein the closed system provides a high-contrast coloring indicator when the complete closure of the closed system has been completed. 2. As in the flexible storage bag of the scope of patent application, the relationship between the high contrast coloring indication and the degree to which the closure has been closed is gradual. 3. For the flexible storage bag of the scope of patent application, the closure is a mechanical interlocking seal. 4. For example, the flexible storage bag of item 3 of the patent application scope, wherein the closure member further comprises a sliding mechanical.-type closure member. 5. The flexible storage bag as claimed in claim 1, wherein the closure comprises an adhesive-based closure system. 6. The flexible storage bag according to item 1 of the patent application scope, wherein the high-contrast coloring indication is selected from the group consisting of clear to colored, white to black, translucent to opaque, and combinations thereof. 7. The flexible storage bag according to item 1 of the patent application scope, wherein the high-contrast coloring indication is completed by a chemical reaction. 8. The flexible storage bag according to item 1 of the patent application scope, wherein the high-contrast coloring indication is completed by polarization of light. 9. The flexible storage bag according to item 1 of the patent application scope, wherein the high-contrast coloring instruction is completed via capsule ink. 10. The flexible storage bag according to item 1 of the patent application scope, wherein the high-contrast coloring indication is completed by a coating on the opposite surface. O: \ 64 \ 64346.ptc Page 12