Wall Details Patents (Class 383/105)
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Patent number: 6224261Abstract: The bulk bag comprising a bottom wall, double layer end walls extending upwardly from the bottom wall, double layer side wall portions extending upwardly from the bottom wall and perpendicularly to the end walls, double layer pivotally supported side walls hingedly secured to the side wall portions, stiffening panels received between the double layers of the end walls, the side wall portions, and the pivotally supported side walls, and fasteners for securing the pivotally supported side walls in alignment with the side wall portions.Type: GrantFiled: June 21, 2000Date of Patent: May 1, 2001Assignee: Composite Container Corp., L.L.C.Inventor: Michael George Stone
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Patent number: 6186701Abstract: An elongate flexible container, made of a textile fabric and having at least one filling opening. The container is filled with solid material, such as sand or other ground material, for the formation of a body adapted for use as a core or base of a dam, a quay, a bank reinforcement, a jetty or a breakwater, or for filling holes or trenches, or for use at the bed of a waterway, or for the packaging and storage of contaminated material. The container is provided at its upper side with at least one filling opening. The container includes stitching extending in the longitudinal direction of the container and mutually connecting facing edges of the textile fabric.Type: GrantFiled: March 16, 1999Date of Patent: February 13, 2001Assignee: Ten Cate Nicolon B.V.Inventor: Anton Daniel Kempers
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Patent number: 6132090Abstract: A container, a container receiving sleeve cap and a process of unloading and receiving a filled material at a receiving facility that does not require expensive, exclusively specialized areas, such as clean rooms, for preventing the filled material from being contaminated or mixed with foreign matter when transported in a flexible and economic container. The container includes a double layer structure having an outer shell positioned about a flexible inner containing member, such as a bag. The process includes providing such a container having a blade cover with a tying member positioned at the lower surface of the container. The process also includes untying the tying member, positioning an outer shell unloading mouth away from the lower end of an inner bag unloading spout and securing it to an unloading frame receiving member. An inner bag unloading spout over-cover is then secured to an outer surface of a receiving sleeve.Type: GrantFiled: August 2, 1999Date of Patent: October 17, 2000Assignee: Nippon Unicar Company LimitedInventor: Kimiyuki Hashimoto
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Patent number: 6132474Abstract: A bag for the cleaning and containment of soiled fabric articles is provided which comprises a fastening system that, when fastened provides a vapor impermeable container and an interior surface releasably impregnated with an effective amount of a gelled liquid dry-cleaning composition.Type: GrantFiled: February 19, 1998Date of Patent: October 17, 2000Assignee: Custom Cleaner, Inc.Inventors: James A. Smith, George W. Kellett
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Patent number: 6126013Abstract: An embossed plastic sheet material is molded to have a relief image with a peripheral edge that is formed by a partial shearing of the material of the plastic sheet near or at the peripheral edge so that the image lasts longer and does not relax or deteriorate naturally or with repeated and prolonged use. Also disclosed is a protective container made from the embossed plastic sheet material that can be used in a carrying case and an album to safely store and transport valuable and collectible items including coins, bottle tops, pogs, optical disks, magnetic disks, audio and video disks and tapes, stamps, photographs, match books, and other similar items. An embossing roller assembly is also described that can be used to fabricate the embossed plastic sheet material.Type: GrantFiled: December 10, 1998Date of Patent: October 3, 2000Assignee: Pyramid Plastics, LLCInventor: William R. Miller
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Patent number: 6112772Abstract: A system with reduced electrostatic discharge including woven fabric configured into a flexible container and having sufficient electrical resistivity to allow discharges of energy from the fabric of below about one-hundred nanocoulombs when the fabric is charged to more than about negative ten thousand volts. The flexible fabric container with a reduced potential for incendiary discharge may further include quasi-conductive fibers or a combination of quasi-conductive fibers and an antistatic coating. The quasi-conductive fibers further may be woven into the fabric. The present invention also discloses a method for reducing electrostatic discharge in ungrounded type flexible fabric container systems by providing a flexible fabric container made from woven fabric and adjusting the electric resistivity of the woven fabric to allow the flow of electricity through the fabric at a rate allowing discharges at below about one-hundred nanocoulombs when the fabric is charged at more than about negative ten kilovolts.Type: GrantFiled: October 20, 1997Date of Patent: September 5, 2000Assignee: Linq Industrial Fabrics, Inc.Inventors: Vahid Ebadat, George M. Milner, Robert J. Pappas
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Patent number: 6109785Abstract: A bulk bag has side walls and a bottom in which a liner is inserted made of a flexible plastic material. The liner has a bottom and a plurality of sides and at least one frame member extending inwardly from the sides substantially along a plane oriented substantially parallel with the bottom.Type: GrantFiled: January 4, 2000Date of Patent: August 29, 2000Assignee: Grayling Industries, Inc.Inventors: Kurt D. Ross, Randy R. Sullinger
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Patent number: 6095688Abstract: A stabilized, flexible, cubic container is provided, in which the stabilization is achieved by a continuous, tubular basic part which includes punched-out or cut-out sections. The basic tube is preferably in the form of a gusseted tube, of which the non-filled volume is provided in the corner regions via outer pocket-like material adaptions. The inner, open edges of the outer pocket-like material adaptions are connected with sealing action to the basic tube in an overlapping manner directly behind the punched-out or cut-out sections.Type: GrantFiled: October 29, 1998Date of Patent: August 1, 2000Assignee: Nittel Halle GmbHInventors: Cornelius Nittel, Wolfgang Werner
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Patent number: 6056440Abstract: A membrane having dimensions slightly larger than the dimensions of a bulk lift bag is inserted into the bag, so that the membrane may expand as the bag is filled without tearing. The membrane may be secured to the bag at a flange, without perforating the membrane.Type: GrantFiled: February 17, 1999Date of Patent: May 2, 2000Inventor: Peter J. Nattrass
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Patent number: 6010245Abstract: A bulk bag has side walls and a bottom in which a liner is inserted made of a flexible plastic material. The liner has a bottom and a plurality of sides and at least one frame member extending inwardly from the sides substantially along a plane oriented substantially parallel with the bottom.Type: GrantFiled: January 25, 1998Date of Patent: January 4, 2000Assignee: Grayling Industries, Inc.Inventors: Kurt D. Ross, Randy R. Sullinger
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Patent number: 5934807Abstract: A container bag (10) having a base (14), side walls (12) and lifting loops (16) is characterized in that the central portions (15) of the side walls of the bag or of a liner within the bag are stiffened relative to the corner portions whereby to effect a squarer shape to the bag. The stiffening may be achieved by fabric from which the bag (or liner) is to be made being selectively stiffened in those areas destined to form the central wall portions by using different weave densities, more or additional threads of either the same or a different kind, additional layers of material being attached e.g., by adhesion in the relevant areas, or a stiffening coating composition e.g., of a polymer applied.Type: GrantFiled: December 29, 1997Date of Patent: August 10, 1999Assignee: Mulox IBC Ltd.Inventor: Charles Futerman
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Patent number: 5887708Abstract: A new PAINT TRAY COVER for ELIMINATING THE NEED TO CLEAN THE TRAY AFTER PAINTING. The inventive device includes a bag dimensioned for receiving a paint tray therein. The bag has an open end for receiving the paint tray therein. The bag has an upper surface, a lower surface and a hollow interior therebetween. The lower surface has a first pair of holes therethrough in a spaced relationship. The first pair of holes are dimensioned for receiving a pair of feet of the paint tray therethrough. The bag is closeable around the paint tray and will conform to the paint tray once the tray is filled with paint.Type: GrantFiled: August 21, 1997Date of Patent: March 30, 1999Inventor: Adolpho R. Gonzales
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Patent number: 5873655Abstract: A bulk container bag of flexible fabric is provided with shape retaining flexible fabric strips at the corners to prevent distortion of the filled bag. Each corner is provided with a plurality of shape retaining rectangular strips anchored at their opposed ends to the adjacent side walls and extending across the corner. The strips are mounted one atop the other and spaced apart sufficiently to enable fill material to flow freely in and out of the corners to have complete filling and packing so that the bags will retain their shape even when stacked. The shape of the strips ensure uniform tensile forces on the walls from top to bottom of the strip.Type: GrantFiled: November 13, 1996Date of Patent: February 23, 1999Assignee: Marino Technologies, Inc.Inventor: Carlos M. Echeverria
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Patent number: 5865541Abstract: A collapsible liner for a bulk container made of a flexible material and having seamless top and bottom walls is provided. The liners are formed from a tubular blank folded to form two gusset panels received inwardly of two overlying flat panels. The blank is severed to form triangular portions adjacent opposed ends of the blank and adjacent sides of adjacent triangular portions are connected together to form a pair of generally opposed and generally rectilinear side walls of the liner. The seamless top and bottom walls are stronger than those portions of the liner with seams and are less likely to rupture or leak.Type: GrantFiled: February 12, 1997Date of Patent: February 2, 1999Assignee: Custom Packaging Systems, Inc.Inventor: Lee Lafleur
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Patent number: 5842790Abstract: A pack comprises a horizontal base and vertical side walls formed from a blank. The side walls are joined to each other in planes perpendicular to the base and form stiffening ribs. The side walls are seamlessly joined to the base and the base is seamless. The pack is produced by folding the blank and joining the side walls.Type: GrantFiled: March 5, 1997Date of Patent: December 1, 1998Inventor: Rodney Haydn Imer
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Patent number: 5823684Abstract: The present invention relates to belts used to protect drums formed by bags intended for transport of powders, granules or other powdery materials from tearing. The invention relates in particular to a belt designed to protect the drum formed by a bag intended for transporting materials placed in the body of said bag, to prevent it from tearing as a result of an external force, and being characterised in that it is cylindrical in shape, at least the top edge of its top and bottom edges being provided with an elastic band.Type: GrantFiled: October 2, 1997Date of Patent: October 20, 1998Assignee: Europeenne de Retraitement de Catalyseurs EurecatInventor: Francis Valeri
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Patent number: 5820267Abstract: The present invention provides a security locking bag for holding currency and coin comprising a fabric bag open along one side, the open side of the bag having a lock end and a zipper end. A zipper is attached to the fabric bag along the open side of the bag to allow the open side of the bag to be closed by pulling a sliding piece. A lock is positioned at the lock end of the open side of the bag, the lock including a body portion and locks by capturing and retaining the sliding piece. A flexible reinforcing material is folded over onto itself, to straddle the bag at the lock end of the bag. A rigid reinforcement shield is disposed between the sides of the flexible reinforcing material. The rigid reinforcement shield is sized and shaped to conform to the size and shape of the body portion of the lock and is positioned to hold one side of the flexible reinforcing material tightly against the body portion of the lock.Type: GrantFiled: October 8, 1993Date of Patent: October 13, 1998Assignee: Block and Company, Inc.Inventor: Columbus Nobles
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Patent number: 5725309Abstract: A blow molded plastic container including a base including a bottom intended to rest upon a supporting surface. The base has a predetermined average thickness providing sufficient strength and rigidity to maintain its shape as molded. An integral body portion extends upwardly from the base. The body portion terminates in an open upper end. An integral handle extends from said shoulder portion. The integral handle is solid. The handle, at its line of juncture with the shoulder portion reduced thickness from other portions of the handle. The body portion has an average thickness less than the base predetermined average thickness. The average thickness is insufficient to permit the body portion to maintain its shape as molded during handling without supplementary support. The open upper end of the container is flexible such that the container can be filled and the upper end can be collapsed and sealed to define a package.Type: GrantFiled: June 25, 1996Date of Patent: March 10, 1998Assignee: Owens-Brockway Plastic Products Inc.Inventor: Gerald R. Robinson
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Patent number: 5685644Abstract: A fabric bag for handling dry bulk cargo is disclosed, of the type in which four sides, a top and bottom are assembled to approximate the shape of a right quadrilateral prism. A continuous fabric liner is provided inside the bag and four corner baffles are sewn into the liner so as to offset a portion of the lateral outward loading due to the dry bulk cargo and thereby reduce bulging of the bag sides. Since the baffles are stitched only to the liner, and not to the outer sides of the bags, this leaves the central portions of the bag sides free of stitching and available for improved display of graphic or textual material.Type: GrantFiled: May 28, 1996Date of Patent: November 11, 1997Assignee: Jumbo Bag CorporationInventor: Jeanne S. Taylor
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Patent number: 5679449Abstract: A system with reduced electrostatic discharge including woven fabric configured into a flexible container and having sufficient electrical resistivity to allow discharges of energy from the fabric of below about one-hundred nanocoulombs when the fabric is charged to more than about negative ten thousand volts. The flexible fabric container with a reduced potential for incendiary discharge may further include quasi-conductive fibers or a combination of quasi-conductive fibers and an antistatic coating. The quasi-conductive fibers further may be woven into the fabric. The present invention also discloses a method for reducing electrostatic discharge in ungrounded type flexible fabric container systems by providing a flexible fabric container made from woven fabric and adjusting the electric resistivity of the woven fabric to allow the flow of electricity through the fabric at a rate allowing discharges at below about one-hundred nanocoulombs when the fabric is charged at more than about negative ten kilovolts.Type: GrantFiled: June 1, 1995Date of Patent: October 21, 1997Assignee: Linq Industrial Fabrics, Inc.Inventors: Vahid Ebadat, George M. Milner, Robert J. Pappas
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Patent number: 5649767Abstract: A liner for use in flexible bulk containers includes a tubular body section with at least one continuous baffle strip extending around the interior circumference of the body section, with the baffle strip attached to the body section at spaced apart intervals to form baffles defining four triangular shaped corners in the body section.Type: GrantFiled: March 21, 1996Date of Patent: July 22, 1997Assignee: Super Sack Mfg. Corp.Inventors: Craig Alan Nickell, David D. Kellenberger, Norwin C. Derby
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Patent number: 5618111Abstract: A flexible container, and a process and apparatus for making the container having first and second sidewalls, side seams, a bottom edge, a top and an opening adjacent the top including the first and second sidewalls made from the same film web stock material, said web stock having at least a first visual pattern impressed thereon such that upon forming said first and second sidewalls from said web stock, said first and second sidewalls are adjacent to each other and at least a second visual pattern on the container different from the first visual pattern is perceived by an observer of the container.Type: GrantFiled: May 15, 1996Date of Patent: April 8, 1997Assignee: DowBrands L.P.Inventors: Jose Porchia, Karen E. McBride, Brian C. Dais, D. Lyn Farrelly, Robert R. Steele
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Patent number: 5564833Abstract: A container bag i.e. a flexible intermediate bulk container or FIBC (10) comprising a body of flexible material having lifting loops (18) across the corners thereof and baffles (22) to maintain a square configuration is characterized in that a liner (28) is provided sealed to the baffles (22). In accordance with the present invention baffles (22) are positioned within the liner (28) and are sealed to it before the liner (28) is affixed to the FIBC. In this manner, an FIBC can be produced which has both baffles giving it a square configuration and a liner to prevent ingress of moisture and air. The liner taking on the "square" configuration imparts it to the FIBC as a whole. The baffles may protrude from the liner and be attached to the FIBC walls, or they may be wholly within the liner. In either case, the liner (28) will preferably be impervious to air and moisture and may be formed from a polyolefin sheet material.Type: GrantFiled: January 18, 1995Date of Patent: October 15, 1996Assignee: Mulox IBC LimitedInventor: Robert Proffitt
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Patent number: 5556205Abstract: A flexible intermediate bulk container includes a number of flexible elements sewn to each other along longitudinally extending seams, at least two of the elements being tubular.Type: GrantFiled: December 21, 1994Date of Patent: September 17, 1996Assignee: Nampak Products LimitedInventors: Ian G. Gallie, John R. Thorpe
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Patent number: 5547284Abstract: A bag for liquids, pastes, or granulates. The bag consists of four flexible sheets. The edges of the sheets are fastened together tight along their sides and bottom and to some extent along the top, creating a front wall (1), a rear wall (2), and two side walls (3 & 4), and the four walls demarcate the inside of the bag. The sheets the side walls are made of are thicker and/or more rigid than the sheets the front and rear walls are made of. The bag is designed such that when full it will stand balanced and stable on a level surface.Type: GrantFiled: April 26, 1995Date of Patent: August 20, 1996Inventor: Rodney H. Imer
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Patent number: 5518314Abstract: A flexible container in which a container body has a surrounding wall which is wove by a longitudinal thread and a lateral thread. As the longitudinal thread in a longitudinal strip range for stitching a hanging unit, a double-layer stretched tape yarn is used In which a first stretched tape yarn made of synthetic resin is covered by a second stretched tape yarn made of synthetic resin. As a longitudinal thread and a lateral thread other than a pair of strip reinforcing sections, the conventional stretched tape yarn made of synthetic resin is used. In the longitudinal strip area for stitching the hanging unit, the longitudinal thread having the double-layer stretched tape yarn is used, whereby it is possible to increase a count to reinforce the flexible container. The hanging unit has a base or proximal end thereof which is stitched to upper portions of the respective strip reinforcing sections by a sewing machine thread.Type: GrantFiled: March 24, 1994Date of Patent: May 21, 1996Assignee: Morishita Chemical Industry Co., Ltd.Inventors: Satoshi Kawafuchi, Minoru Ikeda, Hidemi Morishita
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Patent number: 5478154Abstract: A quasi-conductive woven fabric section including quasi-conductive fibers, which reduce the potential for incendiary discharge. The woven fabric section may further include an antistatic coating. The coating may be applied to an entire surface of the woven fabric section or it may coat about one-half of the section. A process is disclosed for making flexible fabric containers with a reduced potential for incendiary discharge made of woven fabric sections including the quasi-conductive fibers. In addition, a process is disclosed for making such containers with a reduced potential for incendiary discharge including an antistatic coating on the containers, either over the entire surface or over approximately half of the surface.Type: GrantFiled: June 1, 1994Date of Patent: December 26, 1995Assignee: Linq Industrial Fabrics, Inc.Inventors: Robert J. Pappas, George M. Milner, Vahid Ebadat
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Patent number: 5346312Abstract: Packaging in the form of disposable, low cost bags for cooked foods, such as chicken, fish, seafoods and hot baked specialties like pizza maintain the food in a hot crisp and appetizing condition until consumed with little or no sogginess occurring due to being in contact with water vapor/steam, condensate or residual cooking oils/fats. The bags have a nonlaminated multi-ply film composite consisting of at least a nonporous outer ply and an inner porous ply as a liner. The plies are spaced so as to provide a gap in the form of enclosed fluid reservoir for collecting and separating fluids from the food for maintaining crispness with little back flow of condensate and oils to the food compartment. Special materials and pads for absorption and retention of such fluids may be eliminated.Type: GrantFiled: June 7, 1993Date of Patent: September 13, 1994Assignees: Flexo Transparent Inc., The Unger CompanyInventors: Ronald D. Mabry, Gerald F. Unger
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Patent number: 5328267Abstract: A bulk container of flexible fabric having a substantially rectangular base and four walls with four corners at the junctions of the walls has four interior bridging panels extending between adjacent walls across the corners, the bridging panels each being formed of fabric which is integral with part of said adjacent walls. In one embodiment, the four bridging panels and the four wall center panels are formed of a single main piece of fabric, and the corners are formed by corner pieces attached to the main piece of fabric at the junctions between the bridging panels and the wall center panels. The corner pieces each comprise a folded strip of fabric which forms a lifting device. Holes are cut through the bridging panels by laying the main piece of fabric in doubled condition and cutting two layers in one operation. The container has a pyramid shaped top cover with a central filing chute, and an outlet chute.Type: GrantFiled: June 23, 1993Date of Patent: July 12, 1994Inventors: Christopher C. Cuddy, Thomas Noor
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Patent number: 5192134Abstract: A flexible bulk container for the handling and storage of flowable or powdered bulk materials is provided which includes the combination of a flexible and collapsible bulk bag bottom component having an encircling first side wall, a bottom end with an opening therethrough through which contents are discharged connected about its periphery to a bottom end of said first side wall and an open upper end opposite said bottom end and a flexible and collapsible bulk bag top component having a top end, an opposite open lower end and an encircling second side wall connected about the periphery of the top end which is separably receivable within and generally complementary to the first side wall of the bag bottom component wherein the top and bottom ends and first and second side walls define an interior stoarage space therebetween for flowable granular or powdered bulk material with the second side wall being adapted to be in firm engagement with the first side wall when the storage space is at least partially filled.Type: GrantFiled: November 12, 1991Date of Patent: March 9, 1993Inventor: Walter J. Polett
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Patent number: 5188460Abstract: The invention provides a storage bag of flexible sheet material characterized in that it is of generally rectangular configuration comprising a planar base section, opposed generally vertically disposed side wall sections, opposed generally vertically disposed end wall sections and a generally planer roof section. The invention also provides a harness for containing the storage bag within a standardized for transport purposes. The invention further provides a blank for forming the storage bag and a method of folding and joining the blank to form the storage bag.Type: GrantFiled: September 13, 1990Date of Patent: February 23, 1993Assignee: BTR Dunlop LimitedInventor: John R. Dorse
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Patent number: 5158367Abstract: A spread strap flexible bulk container comprises a flexible bulk container having a plurality of panels seamed together to form a substantially cylindrical container with vertical seams connecting the panels. Lift straps for supporting the container are attached at opposed ends to the container beginning adjacent the seams and extending diagonally upwardly to loop over the top panel of the container.Type: GrantFiled: July 17, 1991Date of Patent: October 27, 1992Assignee: Super Sack Manufacturing CorporationInventor: Norwin C. Derby
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Patent number: 5126175Abstract: This invention relates to a container for medical solution comprising a port portion (12), a shoulder portion (13) and a flat body portion (14), and is characterized in that side peripheral areas (15) and tail end peripheral area (16) are welded by a sealer (101). This configuration allows the container to flatten as the contained medical solution drains, thus the solution is completely drained and does not remain in the container.The same advantage can be expected when the wall thickness of the container in the side peripheral areas (15) and the tail end peripheral area (16) are made to be thinner than one in the central area of the body portion instead of welding the side peripheral area (15) or the tail end peripheral area (16).Type: GrantFiled: December 20, 1990Date of Patent: June 30, 1992Assignee: Material Engineering Technology Laboratory, Inc.Inventor: Kenichi Yamakoshi
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Patent number: 5120585Abstract: A gas permeable package for a preservative agent is fabricated from a material which includes a support having pores therein sufficiently large to permit passage of gas therethrough but small enough to retain a preservative agent. There is a conformal, hydrophobic and oleophobic coating on the porous support member. The coating includes a fluoroacrylate based polymer.Type: GrantFiled: October 12, 1990Date of Patent: June 9, 1992Assignee: Gelman Sciences Technology, Inc.Inventors: Mark Sutter, Yitzchak Kenigsberg, Ehud Shchori
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Patent number: 5115947Abstract: A portable, collapsible water tank suitable for use in combatting forest fires and the like that is manufactured from a flaccid synthetic material or a coated fabric which is capable of being ultrasonically welded. The bag is preferably made from a single sheet of material that is folded back upon itself to form a bag having uniformly sized front and rear panels. A filler assembly is mounted in the upper part of the front panel while a quick disconnect coupler is mounted in the lower part of the bag. The edge seams between the panel are welded closed using ultrasonic welding techniques. Radially extended skirts are provided about the bag outside of the seam areas and grommets are mounted within the skirts upon which shoulder straps and handles are either permanently removably secured. A hand-grip is welded to the front face of the tank beneath the filler assembly.Type: GrantFiled: May 16, 1989Date of Patent: May 26, 1992Assignee: D. B. Smith & Co., Inc.Inventors: William J. McDonnell, Alexander C. Sarnacki, Jr., Dean E. Collins
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Patent number: 5104236Abstract: A reinforced collapsible bag and method of making it from blanks of a flexible woven material which are cut from an elongate web substantially without wasting any material between adjacent blanks with pairs of reinforced strips extending along the side edges and through the central portion of the sides and top and bottom of the bag, thereby reinforcing the bottom, top, sides and corners of the bag. Each blank has a circumferentially continuous central portion and four isosceles triangular portions at each end of the blank. Adjacent sides of adjacent triangular portons are connected together to provide, when the bag is exapnded or filled, generally square ends which are interconnected by generally rectangular side walls. Lifting sstraps can be attached to the reinforced strips along the side edges of the bag. An access opening is provided in an end of the bag by terminating the connections of its triangular portions short of their apexes.Type: GrantFiled: March 15, 1991Date of Patent: April 14, 1992Assignee: Custom Packaging Systems, Inc.Inventor: Lee LaFleur
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Patent number: 4950511Abstract: A roll of greenhouse film consisting of slit tubular plastic film wherein the longitudinal edges of the plastic film are folded over about 180.degree. to an imaginary longitudinal line drawn substantially through the center of a surface of the film.Type: GrantFiled: September 2, 1988Date of Patent: August 21, 1990Assignee: Tredegar Industries, Inc.Inventor: Michael A. Francis
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Patent number: 4830904Abstract: A porous thermoformable heat sealable nonwoven fabric that is constructed by carding a bicomponent polymeric fiber and then heating the resulting fibrous web to cause bonding. The polymeric components of the bicomponent fiber have crystalline melting points that differ by at least 30.degree. C. The bicomponent fiber has a staple length ranging from 1.5" to 3.0" and a staple elongation-to-break of at least 30%.Type: GrantFiled: November 6, 1987Date of Patent: May 16, 1989Assignee: James River CorporationInventors: Scott L. Gessner, Henry S. Ostrowski
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Patent number: 4810109Abstract: This invention relates to a supple bag made by flat assembly of a system of films, intended to constitute, by extension, a stable recipient, and to a process for obtaining said bag. According to the invention, this bag is obtained by assembling the films along lateral and bottom contours and along a base line previously traced geometrically by developing on the films the lateral surface of the recipient which was previously determined in its form and characteristics, in order that the recipient rests, after being filled and closed, in stable manner on its support base, not presenting any point of fold along its lateral edges. The invention finds particular application in the food industry, for packing beverages.Type: GrantFiled: August 19, 1987Date of Patent: March 7, 1989Inventor: Jean Castel
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Patent number: 4781472Abstract: A large bulk bag with a complimentary liner therein, both of a flexible material, and constructed and arranged so that when empty they can be folded into a generally flat and compact configuration. At least two spaced apart connectors between the bag and liner prevent the liner from being drawn out of the bag by the discharge of its contents while permitting the liner to collapse upon itself without being substantially restrained from doing so by the bag.Type: GrantFiled: November 6, 1987Date of Patent: November 1, 1988Assignee: Custom Packaging Systems, Inc.Inventors: Arnie LaFleur, Lee LaFleur
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Patent number: 4756422Abstract: A plastic bag for vacuum packaging comprises an inner layer of heat sealable thermoplastic material which incorporates interconected air channels on its inner surface and an outer layer of gas impermeable material. Optionally, one or more intermediate layers may be included between the inner layer and the outer layer. The inner layer and the outer layer, and any intermediate layers, are joined together such that no air pockets exist between the inner layer and the outer layer.Type: GrantFiled: April 9, 1987Date of Patent: July 12, 1988Inventor: Hanns J. Kristen
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Patent number: 4703519Abstract: A sewn polyolefin in fabric bag which uses the molded shapes of the polyolefin material to form a shaped enclosure. Enclosure means and a fabric hinge are sewn directly to the polyolefin enclosure means to form the completed bag. The bags formed in this manner have many of the advantages of both soft and hard shelled bags. The polyolefin material is capable of providing a predetermined shape but has a soft exterior surface and is deformable. Sewing can be done using conventional sewing techniques. Polyolefin materials have not previously been usable in this manner because of their inability to bond or weld in reliable manner to other materials.Type: GrantFiled: January 6, 1986Date of Patent: October 27, 1987Inventor: Ronald L. Krenzel
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Patent number: 4597102Abstract: An intermediate bulk container comprises an outer envelope (1 to 6) formed of flexible woven material and having seams (11 to 14). An impervious liner (20) of flexible material is contained within the outer envelope. The liner has tab means (27) lying outside the volume defined within the liner and secured, for example by stitching into a respective seam of the outer envelope. By appropriate location of the tab means on the liner the liner may be securely located within the outer envelope and prevented from distortion relative to the outer envelope.Type: GrantFiled: June 19, 1985Date of Patent: June 24, 1986Assignee: Nattrass-Hickey & Sons, Ltd.Inventor: Frank Nattrass
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Patent number: RE34929Abstract: A plastic bag for vacuum packaging comprises an inner layer of heat sealable thermoplastic material which incorporates interconected air channels on its inner surface and an outer layer of gas impermeable material. Optionally, one or more intermediate layers may be included between the inner layer and the outer layer. The inner layer and the outer layer, and any intermediate layers, are joined together such that no air pockets exist between the inner layer and the outer layer.Type: GrantFiled: January 22, 1993Date of Patent: May 9, 1995Assignee: Tilia, Inc.Inventor: Hanns J. Kristen
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Patent number: RE35270Abstract: A flexible bulk container for the handling and storage of flowable or powdered bulk materials is provided which includes the combination of a flexible and collapsible bulk bag bottom component having an encircling first side wall, a bottom end with an opening therethrough through which contents are discharged connected about its periphery to a bottom end of said first side wall and an open upper end opposite said bottom end and a flexible and collapsible bulk bag top component having a top end, an opposite open lower end and an encircling second side wall connected about the periphery of the top end which is separably receivable within and generally complementary to the first side wall of the bag bottom component wherein the top and bottom ends and first and second side walls define an interior stoarage space therebetween for flowable granular or powdered bulk material with the second side wall being adapted to be in firm engagement with the first side wall when the storage space is at least partially filled.Type: GrantFiled: December 22, 1993Date of Patent: June 11, 1996Inventor: Walter J. Polett