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  Handle bagRelated Patent Categories: Flexible Bags, Lifting Or Suspending Element (e.g., Handle), Single ElementHandle bag description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20060013513, Handle bag. Brief Patent Description - Full Patent Description - Patent Application Claims
FIELD OF THE INVENTION [0001] The present invention relates to a bag. More particularly this invention concerns a bag with handle loops and a method of making the bag. BACKGROUND OF THE INVENTION [0002] A standard handle bag has a body formed by front and back panels joined together at longitudinal edges and having end edges bridging the longitudinal edges. The end edges at one end of the body are joined together either directly or via a floor panel, the end edges at the opposite end are not joined to form a bag mouth, and the longitudinal edges may also be joined directly or via edge panels. Handles comprised of a normally flexible material normally have ends secured to the front and back panels at the bag mouth. [0003] In German 69 430 188 of Vereinigte Papierwarenfabriken GmbH the handles are each formed as annularly continuous loops comprised of two straight and parallel main parts having ends joined by a V-shaped end part. One of the main parts is adhered to the face of the respective panel so that, when the other main part is pulled out, the V-shaped end parts straighten out and form an opening through which a user's fingers can be inserted. Such a construction is relatively complex, requiring that the handle structure be fairly bulky and that it be separately formed and bonded together to give it the desired annular shape. [0004] In German 2,012,084 of Bosse, a straight tape is folded into a C-shape, with two end parts and a center part all lying in a common plane. The ends of the end parts are fixed to the bag with the center part extending out of the bag. With this structure the projecting center part makes automated filling of the bag difficult or impossible, and also complicates storing and shipping of the bags. [0005] The system of U.S. Pat. No. 2,838,224 of Steen has handles that are basically formed as flattenable tapes having a center part with a central fold and a pair of end parts each in turn having an end extension. The center part and the end parts are folded flat together with the end extensions sticking out to the side, and the end extensions are adhered to the panel face under a retaining tab. Such a construction is again fairly complex to manufacture, requiring folding of the handle part into a complex shape and then securing it in place with another part. [0006] In U.S. Pat. No. 3,384,293 of Welles a simple C-shaped wire having a generally straight central part from whose ends a pair of end parts project toward each other is poked through the panel like a staple, with the end parts engaged with the panel. This arrangement is not very strong, as the handle can easily be ripped out of the bag. OBJECTS OF THE INVENTION [0007] It is therefore an object of the present invention to provide an improved handle bag. [0008] Another object is the provision of such an improved handle bag that overcomes the above-given disadvantages, in particular that is inexpensive and easy to manufacture, that is of simple construction, whose handle is completely out of the way prior to actual use, and that is quite strong. SUMMARY OF THE INVENTION [0009] A bag has according to the invention front and back thermoplastic panels having upper and lower end edges and joined-together longitudinal edges. A C-shaped thermoplastic handle has a central part extending transversely parallel to one of the end edges of the front panel and a pair of end parts extending transversely inward toward each other from outer ends of the central part and bearing directly against a face of the front panel. Respective strong welds secure each of the end parts to the face of the front panel at a spacing from the respective outer end of the central part. [0010] Such a construction is extremely simple. The handle lies completely within the contours of the bag prior to deployment, yet can easily be extended for carrying the bag. Simple unitary welds secure the handle to the bag, so the resultant structure is fairly strong. [0011] According to the invention the front panel has an end flap extending from the one end edge. The handle is secured by the welds to the end flap. Thus this end edge of the bag is reinforced. In one system the end flap lies flat against an inner face of the front panel. One such handle can be secured to each of the end flaps. In another system the end flap has an outer edge secured via another such end flap to an end edge of the back panel. Thus the two end flaps can form a bag bottom or floor. Once again, one such handle can be secured to each end flap. [0012] In another bag in accordance with the invention the back panel is longer than the front panel and has an extension flap projecting past the end edge of one of the panels. The extension flap is formed with a throughgoing hole. This makes storing the bags on a peg prior to use fairly easy and quite convenient, as they remain neat before being dispensed, as on a checkout line. In addition even when full the bag can be hung from the hole for display. This extension flap can be at an end of the bag opposite the one end edge. Thus the handle is directed downward so it can be used to pull the bag of the peg. [0013] The back wall of the bag can have an extension flap extending up and folded over the one end edge and formed with a slot through which the handle can extend. This protects the contents of the bag. [0014] In addition the bag can have a floor panel bridging the end edges of the panels opposite the one end edge. [0015] In a particularly advantageous embodiment, the handle is provided with a bond-inhibiting layer between the location and the central part. This prevents the end parts of the handle from being welded to the center part when the handle is welded in place. [0016] Furthermore according to the invention there is at least one weak bond between the handle and the face. This weak bond can be an adhesive joint. It serves to hold the handle in place prior to use. Thus there is no problem of the handles getting snagged before they are actually needed. [0017] A bag according to the invention is made by first forming a C-shaped handle with a straight center part and with a pair of end parts extending toward each other from ends of the center part. A bond-inhibiting layer is provided between locations on the end parts offset from the center-part ends and the center part and the handle is positioned against a face of a bag panel. Then the end parts are unitarily welded in place at the locations to the bag-panel face. As described above, the handle can be bonded weakly to the face offset from the locations. BRIEF DESCRIPTION OF THE DRAWING [0018] The above and other objects, features, and advantages will become more readily apparent from the following description, it being understood that any feature described with reference to one embodiment of the invention can be used where possible with any other embodiment and that reference numerals or letters not specifically mentioned with reference to one figure but identical to those of another refer to structure that is functionally if not structurally identical. In the accompanying drawing: [0019] FIG. 1 is a partly schematic perspective view of a handle bag according to the invention; Continue reading about Handle bag... Full patent description for Handle bag Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Handle bag patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. Start now! - Receive info on patent apps like Handle bag or other areas of interest. ### Previous Patent Application: Foldable blank in use with a bag material for securing and retaining articles of evidence in tamper-evident fashion Next Patent Application: Vacuum packaging bags with gussets and methods for using and manufacturing vacuum packaging bags with gussets Industry Class: Flexible bags ### FreshPatents.com Support Thank you for viewing the Handle bag patent info. IP-related news and info Results in 1.8969 seconds Other interesting Feshpatents.com categories: Novartis , Pfizer , Philips , Polaroid , Procter & Gamble , |
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