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TENNIS BAGS
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Technical Examples
- A method for manufacturing square bottom plastic bags designed to stand upright when opened. The bags are constructed with open tops, side handle openings and attached headers or with t-shirt style handles. The bags are produced in registered bag stacks and include means for adhering a rear surface of one bag to a front surface of a subsequent bag making the bags self-opening when used in dispensing rack. The headered bags have tear-off headers or headers with weakened areas that will rupture upon dispensing. The t-shirt bags have apertures through the handles to suspend the bags on a rack or a header attached above the handles. The bags have detachable or rupturable center tabs. The bags are registered with hot pins or cold stakes through an upper portion of the bags or bag handles. The bags have openings, microperforations, or are formed of porous material to dissipate heat or moisture.
- A convenience package for thin film products according to aspects of the present invention places a folded stack of thin film plastic bags inside a container to protect the bags during shipping, handling and dispensing. The container surrounds the plastic bags and includes an opening through which individual bags are retrieved. The plastic bags are attached to each other in such a manner that retrieval of a first bag through the opening in the container partially retrieves a second bag and leaves part of the second bag protruding through the opening. Attachments between bags within the container ensure that each bag is opened as it is retrieved through the opening.
- A rack, or caddy, is disclosed which stores and dispenses used plastic bags. Normally the bags are grocery store or department store sized bags made from a thin film of plastic which have been saved for reuse somehow. The caddy includes a sheet member which may be made of molded plastic material such as polypropylene, and it has several cups joined to it. The interior walls of the cups are spaced far enough apart to permit a user to insert hand compacted plastic bags into the cups, and thereafter the walls hold them there by limiting the expansion of the bags.
- A tennis net winder for positioning within a tennis net support post, the tennis net winder comprising a frame having a face plate, having a plurality of apertures for securing the tennis net winder to the support post, the face plate having rearwardly extending support walls secured by a rear wall, the rear wall and face plate having aligned apertures for support of a worm gear member, the extending support walls having aligned apertures for support of a beveled gear and take up drum assembly, the face plate having a generally longitudinal rectangular opening aperture having a guide roller slidably mounted on a cross bar, the tennis net cable passing under the guide roller and through the take up drum, the take up drum being formed with a helical groove such that operation of the worm gear by a crank handle takes up or releases cable on the take up drum, the take up assembly, the winder assembly and frame being coated with a weather impervious coating, such as gold plating.
- A blast protection structure is formed of one or more bags, generally shown as (1) in FIG. 2. Such bags comprise an upper and lower compartment, with the lower compartment having a reinforcing layer (2), preferably formed of an impact reactant structure such as Kevlar®. The upper surface (3) of the upper compartment, has a non-slip coating to provide improved stacking of bags. Such bags can be used to provide blast protection structures to minimize the risk of damage from an explosion.
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