Abstract: A false gusset (12, 82) is positioned between bag panels (26, 28 or 98, 100) to form a bag having a handle (24, 80) at its upper end formed by upward continuations of the sides (26, 28 or 98, 100) of the bag (10, 78). This construction removes the false gusset (12, 82) and the seals (66, 68 or 114, 116) which connect the false gusset (12, 82) to the bag panels (26, 28 or 98, 100) from the forces created by the weight of the bag (10, 78).

Abstract: A gift package is adorned with an integral self-forming bow movable from a bow-unformed position to a bow-formed position by a pull-type or folding-type actuator to which the bow is operatively connected. The actuator may be integral with an article such as a shopping bag to be decorated, or the actuator and the bow may be formed as a discrete assembly which is separately attached to the article, or the bow may be integral with the article.

Abstract: According to this invention, light is radiated on a pattern to be measured while being scanned, and light reflected by the pattern is received so as to form a light intensity profile curve based on the reflection light corresponding to the pattern width of the pattern to be measured. Then, coefficients of optimal values are calculated by the method of least squares using three sets or more of pattern width values and light intensity values obtained from the light intensity profile curve. A pattern width value (X1) of the pattern to be measured is calculated using equation (II) below having these optimal values as coefficients. A very small line width of a resist film can be easily and accurately measured as a bottom value using an optical apparatus without being influenced by light interference at an edge portion of the pattern to be measured.y1=d/{1+a1.multidot.exp(-b1X1)} (II)y1=a1.sub.1 X.sup.n-2 +a1.sub.2 X.sup.n-3 . . .

Abstract: A continuous bag strip separable into a plurality of bags is formed of a flat, continuous tubular strip of flexible plastic material having opposite sides and longitudinal edges each of which has an inward longitudinal fold made along a fold line, the strip having a plurality of longitudinally spaced apart transverse weld lines extending from one longitudinal edge of the strip to the other and a plurality of transverse perforation lines each located close to a respective weld line and extending from one longitudinal edge of the strip to the other such that the strip may be separated into bags each having a bottom formed by one of the weld lines, each side of the strip having a plurality of longitudinally elongated die-cut openings at the location of each of the fold lines, each opening having two longitudinal edges and two traverse edges; one transverse edge of each opening lying on a perforation line or between that perforation line and the corresponding adjacent weld line and the other transverse edge of ea

Abstract: A multi-use handbag is disclosed having a main storage body, at least one handle and at least one locking flap secured to one or more corners of the main storage area to an engagement member disposed along the lateral side of the handbag. Various configurations are obtainable by selective connection of the handles to the body and selective connection of the locking flaps to the engagement member.

Abstract: A traffic barrier is disclosed copmrising: two high visibility panels supported by a pair of legs joined by a cross-member, and a flexible substantially closed container which is supported by the legs or cross-members and adapted to be filled with a liquid for adding to the weight and stability of the structure. The liquid container allows the barrier to be easily moved, transported, and placed in use.

Abstract: A flexible container is formed of a single piece of material and includes a bottom, a top and side walls, with two opposite openings in top portions of the side walls below the top. The material of the top is folded or gathered from the opposite openings toward the center of the top, thereby forming an integral lifting loop formed of integral extensions of the side walls. The lifting loop extends over the center of the container between the opposite openings. The thus folded or gathered material is joined at an uppermost lifting area of the lifting loop, thereby forming a permanent lifting handle.

Abstract: A cooler bag intended to be carried at one's back by means of a shoulder strap. The bag is constructed to include an outer layer or shelll and an inner waterproof bladder with the body of the bag having between the outer shell and the bladder a layer of insulation. While the bag is generally circular in cross-section, the bottom of the bag has a forward concave edge portion so as to fit the general contour of one's back. The shoulder strap is selectively connected to the bottom portion of the bag either at one side or the other depending on which shoulder is engaged by the shoulder strap. The bag also has a desirable closure arrangement including closure flaps which are folded into overlying locked relationship.

Abstract: A thermoplastic bag structure having, in its lay-flat condition, a front and rear bag wall, two-film heat seal bottom; the outer side margins of the full length of said bag being folded toward but spaced from each other. The top most edge of each fold is heat sealed through the four films thereof along lines corresponding to the width of the folds. An open mouth top portion being characterized by having double film handle loops at opposite ends of said mouth, said double film loops being extensions of the folded regions of said bags and the corresponding regions of said front and rear walls. The bag structures can be unitized by providing a detachable tab at the bag mouth opening and unitizing the bag structures through this tab.

Abstract: A plurality of bags, each having an upright handle at either lateral edge thereof, is formed into a bag-pack, and the bag-pack is retained on a supporting rack by providing upright slits in the handles of each bag through which arms of the supporting rack extend. Unlike holes which are formed in the bag handles, upright slits do not cause weakening of the handles. In addition, the stacked handles of the bags are punched with a heated pin having a diameter no larger than approximately three thirty-seconds of an inch, to weld together the stacked handles of the bags, thereby permitting convenient mounting of the stacked handles on the arms of the supporting rack, without substantially weakening the bag handles. The individual bags are readily detachable from the bag-pack, because the pin is uniformly heated by being placed in a passageway in a block of metal heated to a temperature in the range of about 250.degree.-260.degree. F.

Abstract: A bag package forming system including a continuous strip of multiple serverable T-shirt or handle bags wherein the mouth defined between the laterally spaced handles of each bag includes a pair of overlying foldable lips formed as integral extensions of the overlying sheets of the bag. The lips are of a height of fold over the mouth of the associated bag and define a closure for the mouth to preclude the entry of air thereto and the ballooning of the bag.

Abstract: Plastic bags are made from linear ethylene homopolymer or linear low density copolymers (LLDPE) blended with up to about 10 weight percent of an aromatic polymer, e.g., polystyrene or poly(para-methylstyrene), to improve the ease of opening the bags by reducing the blocking tendency of the film. Although ease of opening is improved the aromatic polymer does not adversely affect the other physical properties of the bag, such as MD tear strength and stiffness, but improves them.

Abstract: An enclosure for use to safely secure a water-sensitive medical or electronic device such as a medication infusion pump in a water-resistant manner is disclosed which utilizes a pouch made of a sheet of thin plastic material to store the apparatus, the pouch being adhesively sealable to secure the device. The enclosure also includes a perforated area which may be opened to form a strap to carry or hang the device, and is constructed inexpensively to be of a disposable nature.

Abstract: A method for forming a thermoplastic film handled bag comprising: forming a continuous collapsed thermoplastic tube having heat seal lines across the width of said tube at bag length intervals, longitudinally folding opposite sides of the heat sealed tube equally towards each other until they meet at a common center line, folding the structure once again in the same direction along said center line and removing eight film layers in one of the corner regions defined by a heat seal line and the spine of the common center line fold, the film removal yielding a bag mouth opening and single loop handles at near the opposite ends of said bag mouth opening. Interconnected bags can be formed into a roll pack or individually severed bags can be unitized into a bag pack.

Abstract: A bag pack including a plurality of stacked bags each bag having loop handles which are integral extensions of the front and rear walls of the bag. Between the handles are a pair of superimposed single film tab members extending above the front and rear bag walls and above the open mouth portion of the bag. The front tab is coplanar with the front wall and either (1) completely unconnected thereto or (2) weakly connected thereto. The rear tab is coplanar with the rear wall and connected thereto through a localized line of film weakening which is comparatively stronger than (2) above. The individual bags may be bonded together through the tabs. The pack has suspension means in association therewith.

Abstract: A method of forming a severable compartmented T-shirt bag comprising heat welding overlying lengths of a flattened tubular web of thermoplastic material centrally therealong to define a compartment to each side of the heat welding and a side edge seam for each compartment, slitting the web material between the compartments and formed seams, and reengaging the seams and forming a tack joinder therebetween to define a line of severance. The method also including the steps of transversely seaming the lengths of web material into individual bag units and forming a central cutout area in each bag unit to define a bag mouth with a handle to each side of the severance line.

Abstract: A pouch has a pair of side walls which are connected at the longitudinal edges thereof, and bottom folds. A single handle is arranged at the bottom fold wherein one end of the handle is connected to one side wall and the other end is connected to the other side wall. The pouch and the handle consist of thermoplastic plastic foil and are connected to each other by a welding seam. At the filling opening, the pouch is provided with a suspension hole and a slot which extend from the outer rim in direction to the suspension hole in order to provide a bridge therebetween and to allow the pouch to be suspended from respective pins. Through tearing of the bridge between the suspension hole and the slot, a pouch can be removed from the stack of pouches.

Abstract: A flexible container for transportation and storage of bulk material includes integral lifting loops having openings for the insertion of lifting devices. In the upper part of the container is placed a separating member, preferably of flexible material, which separates and can close off that part of the container to be filled with bulk material from the lifting area of the container. The separating member is fastened to the container adjacent the openings thereof and possibly also to walls of the container or is pressed thereagainst by a lifting handle sleeve. A filling spout preferably is an integral part of the separating member. Also, the separating member can be Y-shaped or T-shaped including legs or branches that can be equally long or have different lengths. Side legs or branches have openings adjacent edges of which are fastened adjacent the openings in the lifting loops of the container.

Abstract: An extruded plastics material net bag, formed by a tubular body which in the flattened state defines two superimposed sheets, in each of which there are two reinforced longitudinal lateral web portions close to the lateral edges of the bag and a reinforced longitudinal central web portion substantially equidistant between the other two; the bag handles are extensions of the lateral web portions and are provided with a weld line at the end thereof while a weld line defines the bottom of the bag. The bag is closed either by way of a filiform member capable of throttling the mouth of the bag or by two closing appendices, one on each sheet and which extend beyond the bag mouth, being joined together by knotting, stapling or any other means. The special location of the lateral web portions and the existence of the central web portion provide more strength and a greater dimensional stability to the full bag.

Abstract: A container includes an outer load carrying bag or container with lifting loop(s) and at least one filling opening, and a liner having two sides closed with welds spaced from the inner side edges to form skirts which allow air in the liner to escape through openings between the welds. The welds are interrupted and overlapped by a distance a, preferably such that 0%<a<50% of the liner's total side length. The liner is placed in the outer container such that the welded seams with the skirts are parallel to the vertical axis of the container and are fastened to side seams thereof. The liner has an opening for filling of bulk material, and it may have a gusset which preferably has a height of up to 1/4 of the flat width of the liner between the welds.

Abstract: A bag pack of a plurality of stacked bags made from thermoplastic film, each bag comprising front and rear walls; a bottom; an open-mouth portion, said open-mouth portion being characterized by having handles which are integral extensions of said walls and located at opposite ends of said bag mouth portion. A single film tab member extends above each rear bag wall and above the open-mouth portion. The tab is coplanar with the rear wall and connected thereto through a localized line of film weakening. The tabs of all bags are in registration and are a collection of only tabs coplanar with said rear walls. The tabs are bonded together and include a suspension means to accommodate physical suspension of the pack.

Abstract: A package bag of a box-like shape has folded sides and the front and upper walls provided with reinforcement layers. The bag is formed of thermoplastic film. Each reinforcement extends predominantly over the entire flat of the front and back wall whereby a stiff structure results.

Abstract: A flexible container for transportation and storage of bulk material includes integral lifting loops having openings for the insertion of lifting devices. Inside the upper part of the container is fastened a pipe-shaped piece of material having a branch pipe portion, preferably of flexible material, and separating and closing off that part of the container to be filled with bulk material, from the lifting loop. The piece of material is fastened to the walls of the container beneath the openings thereof. The branch pipe portion can serve as a filling spout. The branch pipe portion need not be provided. The pipe-shaped piece of material has a diameter which is substantially equal to that of the container.

Abstract: A plastic bag adapted to receive rectangular contents that will square off the bag is provided with a handle. The plastic bag is formed with a bottom gusset, and angle seals define define the width of the bag with the rectangular contents. Handle material is placed within the gusset and extended across the bag. Rectangular seals fix the handle material to the gusset, the rectangular seals being confined to the area within the angle seals. When the bag is filled, the rectangular seals result in straight lines fixing the handle to the bag so forces are evenly distributed across the seal.

Abstract: A bag for fluidic commodities is formed of a hose of thermoplastic film material and includes a body having side folds and formed by two opposing walls welded to each other at at least their upper ends. The bag has a filling opening and a loop-shaped gripping handle formed by two opposite strips cut out from the blank of the bag and welded to each other at the upper ends. A method of producing such bags includes steps for making the bag body and the gripping handle.

Abstract: The present invention relates to a sack made of thermoplastic film, said sack having front and rear panels and an open mouth top portion, gusseted side walls wherein the innermost reach of the gusset folds overlap and at the bottom of said sack a heat seal stripe welds together all of the lay-flat layers, including the overlapped regions.

Abstract: A container or bag or sack essentially comprises a tubular fabric, in particular a circular fabric of polyolefines, having a double wall formed by turning in or partially inverting the tubular fabric. In addition, a cut extending downwardly from the folded or turned in edge is provided in the double wall, and the folded or turned in edge thus cut open is gathered or tucked all the way around such that this gathered inner wall-sections of the double wall form a suspension or hanging loop. A suspension loop is thus formed in a relatively simple manner. Practically all the warp threads of the circular fabric unite in the suspension loop, imparting to the sack possessing a load-carrying strength at least equivalent to the tensile strength of the fabric. The lifting strength of the suspension loop is considerably increased by the gathering.

Abstract: A flexible bag including front and rear walls vertically joined along a center line to form a pair of adjacent separated upwardly opening compartments. The front and rear bag walls have integral handles projecting upwardly therefrom, one handle in generally overlying relation to each compartment. The compartments, each with its associated handle, are selectively severable from each other along the vertical joinder line.

Abstract: The bag is preferably a flat bottom side gusseted open top bag of the shopping bag type, which has soft braided or woven fabric handles. The handles are closed bail type handles having ends which are sandwiched between the bag side walls and a patch adhesively secured to the inner surface of the bag side walls. The bail portion of each handle is soft, limp and flexible while the end portions of each handle sandwiched between the patch and bag wall are stiff and relatively rigid. The ends of the handles are stiffened prior to assembling the bags. In assembly, the bag body is formed and the patches are adhesively secured to the bag side walls. Non-adhered pockets are positioned between the patches and the bag walls for reception of the stiffened ends of the handles. The ends of the handles are coated with adhesive and then inserted into pockets for securing to the bag body.

Abstract: A plastic film sack having gussetted side walls, and in the bottom of said sack, a heat-seal stripe welding together the four film layers in the gusseted regions of the sack and a heat seal stripe welding together the two film layers between said gusseted regions; and between the heat-seal stripes of the four film layers and the heat-seal stripe of the two film layers are unsealed, arcuate stress-relief regions and the method of forming the same.

Abstract: The present invention relates to a thermoplastic bag which is characterized by having a pair of carrying handles formed integrally with the bag walls and extending upwardly from opposite sides of an open mouth portion of the bag. The handle members are reinforced and comprise at least two layers of thermoplastic material, one of the layers forming the bag body and handles and the other layer serving as a reinforcement layer. The reinforcement layer is provided only in the handle areas of the bag structure.

Abstract: A thermoplastic bag with side or bottom gussets each defined by a pair of overlying panels having selected ends thereof sealed together and between the sealed edges of the front and rear walls of the bag. Each gusset includes a transverse tear line inward of the sealed lower ends of the panels of the gusset, and a transverse glue line bonding the two panels of the gusset to each other inward of the tear line and across the width of the gusset.

Abstract: A flexible container for filling, transport and storage of bulk material is made from at least one piece of base material. The bottom of the container is formed from at least four paired, preferably equally large, flaps which are direct extensions of the container side walls. The bottom flaps are formed by cut lines in the piece of material, and the angles .alpha. and .beta. of alternate flaps converge toward the center of the bottom. The sum of top angles .alpha. and .beta. of the flaps is less than 360.degree., such that the container bottom formed by joints of the flaps is downward slightly cone or funnel shaped when the container is filled. The sum of the angles .alpha. and .beta. of the flaps preferably is between (240.degree.-280.degree.) and 360.degree.. The container bottom will be substantially square or rectangular, depending on whether .alpha.=.beta. or .alpha..noteq..beta..

Abstract: A reusable plastic bag with a loop handle is disclosed for packaging goods in a sealed manner with perforations being provided to facilitate access to the goods without interfering with the reusability of the bag. The bag is made from a laminate of opaque plastic material on which printing is applied and over which is bonded a transparent layer to protect the printing and increase the strength of the bag.

Abstract: A thermoplastic bag structure comprising a front and rear bag wall, a bottom and an open mouth top portion, said open mouth portion being characterized by having two pairs of single film handle loops each of which are located at opposite ends of said open mouth portion, the handles of each pair being side-by-side and each handle is an integral single film loop extension of said front and rear bag walls. The bag structures can be unitized by providing a detachable tab at the bag mouth opening and unitizing the bag structures through this tab. The method of forming said bags involves providing an end sealed collapsed thermoplastic film tube and removing plastic to form a bag mouth opening and handles at one end thereof. The resulting bag is an ungussetted bag which can be unitized into a pack by providing a detachable, unitizing tab at the bag mouth opening.

Abstract: A bag pack and individual bags characterized by having handles which are integral extensions of the front and rear of said bag. The bags have a mouth which includes stress relief curves on both sides of an upperly extending tab. The tab includes at least one orifice adapted to securely surround a suspension means. Below or below and above and closely adjacent to said orifice is bonding means fastening all of said bag structures together and simultaneously contributing rigidity to said orifice. Below said bonding means an above the points of maximum amplitude of said stress relief curves is a line of preweakening in said tab to accommodate tear-off of individual bag structures from said pack.

Abstract: A bag structure of a thermoplastic film material comprising front and rear bag walls connected by side walls and having an open mouth top portion, said open mouth portion being characterized by having handles located at opposite end regions thereof, said handles being of two films as a result of being integral extensions of said front, rear and gusseted side walls; said bag having a bottom wall planarly extensible so as to form a rectangle with at least no substantial excess film outside of the bulk volumetric capacity of said bottom region of said bag.

Abstract: A plastic bag has a front panel joined along its side edges to a rear panel with a gusset at one end of the panels. A handle is disposed within the gusset and connected to the panels by a triangular weld.

Abstract: A bag formed of a flaccid material for receiving and containing merchandise, the bag being formed by a sheet of such material folded along a fold line to provide two juxtaposed or overlapping generally rectangular wall panels having the side edges thereof joined together, such fold line being tucked inwardly between such overlapping wall panels to form a gusset, and a separate strip of material folded along a fold line extending along the length thereof and disposed within the gusset to extend across the entire width thereof with the fold line of the separate strip of material lying adjacent to the inwardly tucked fold of the sheet of material, the ends of the strip of material being joined to the overlapping portions of the wall panels by a heat seal extending diagonally at a forty-five degree angle across the corners thereof.

Abstract: A plastic bag having front and rear walls, an open bag mouth, and a detachable tab upwardly projecting from the front and rear walls centrally along the bag mouth. The tab is integral with the bag walls at a pair of opposed readily severable areas below the bag mouth, and non-integral with the bag walls between the severable areas. The bags are provided in packs with the bag secured at the tabs.

Abstract: This invention is a hang bag and the method for making it. The hang bag is designed to be hung on peg board displays at supermarkets and the bag comprises a non-shrinkable, heat sealable strap across the width of a side seal heat shrinkable bag. After the product has been put in the bag and the bag has been shrunk, the unshrunken strap forms a convenient loop for easy hanging.

Abstract: A thermoplastic bag having front and rear walls with smooth upper edges defining an open bag mouth. A pair of laterally spaced integral loop handles extend upward from the bag mouth and include detachable mounting tabs projecting laterally inward from the handles at an intermediate point along the height thereof. The tabs are remote from the bag mouth and, in a bag pack, form the securing area for the bags.

Abstract: A bag pack and individual bags characterized by having handles which are integral extensions of the front and rear of said bag. The bags have a bag mouth which includes stress relief curves on both sides of an upwardly extending tab. The tab includes at least one orifice which is positioned to create comparatively narrow webs which serve to be the tear-off points severing individual bags from the pack. The bags are bonded together via said tab at areas adjacent said orifice.