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Class 428/34.3 - Bag or tubular film (e.g., pouch, flexible food casing, envelope, etc.)


Subclass of Class 428 - Stock material or miscellaneous articles
Definition: Article* in the form of a flexible tubular film or
No. of patents: 344
Last issue date: 03/20/2012


1                  
NumberTitleIssue Date
8137772Multilayer tubular film based on polyamide
Multilayer tubular film based on polyamide comprising an outer polymer layer based on aliphatic or partially aromatic polyamides or copolyamides or blends thereof, up to 30% by weight of which, based on the outer layer, can be repl...
03/20/2012
8097313Multilayer bag of paper
A multilayer bag includes at least one outer paper layer and at least one inner paper layer and a synthetic layer located between the outer and an inner paper layer. On the longitudinal side of the paper bag, an overlap of the outer paper web and a partial overlap o...
01/17/2012
8097312Paper roll with pre-cut windows
A web of fibrous material having windows covered by a transparent material, and which is modified by compression, shaving, or embossing, so as to maintain a substantially uniform thickness throughout the length of the web. When the web is then wound onto itself, the...
01/17/2012
8057871Anti-theft label and its assembly method
This invention provides an improved anti-theft label and its assembly method. It uses paper box and paper sealing gasket to replace PVC box and PET sealing gasket. The anti-theft label applying the technical scheme of this invention is nontoxic and does no harm to h...
11/15/2011
7670657Patch bag having seal through patches
A patch bag comprises a heat-shrinkable bag comprising tubular bag film, and a heat-shrinkable patch comprising a patch film, the patch being adhered to the bag, the patch bag having a seal which is through both patches as well as through both lay-flat sides of the ...
03/02/2010
7662453Microwavable and ovenable pack
A pack suitable for housing liquid and/or solid-liquid contents whose wall comprises a layer of board (3), an inner layer (2) sufficiently impermeable to create a seal between the board (3) and the pack's contents, and an outer protective layer ...
02/16/2010
7544403Bag having an improved heat seal closure and associated methods
A multiwall bag having a slider zipper and fin combination and methods of forming same are provided. The multiwall bag, for example, can include a tube body. A bag seal zone can be formed in the tube body, and a combination fin member, zipper track, and zipper block...
06/09/2009
7507455Foil balloon for enabling customized design to print on either side and method of manufacturing same
A foil balloon for enabling a user to print a customized design on each of its sides comprises a carrier (e.g. paper) comprising a central opening, and an upper second foil and a lower first foil releasably attached onto top and bottom surfaces of the carrier respec...
03/24/2009
7381457Structure, method, and device for splicing laminated films
A coupled portion of mutual laminate films sufficiently contributes to the formation of a packaging bag in that the coupled portion itself has excellent airtightness and liquid tightness. The tensile strength required for the laminate film is given to the coupled po...
06/03/2008
7371446Hose construction containing polymer composition
The present invention relates to an automotive hose having at least one rubber layer comprising from about 60 to about 95 parts by weight of ethylene vinyl acetate (EVM), and from about 5 to about 40 parts by weight of polyacrylic rubber (ACM). ...
05/13/2008
7367130Snap line and method
A snap line for use in applying powdered material to a surface. The line comprises at least one strand of material that has been coated with water repellent material. The line may be used in conjunction with powder that has also been coated with water repellent mate...
05/06/2008
7348052Sandwich wrappers, fast food wrappers, and gum wrappers comprising PLA resin
A composite wrap material includes a layer of polyactide (PLA) resin interposed between two layers of cellulosic material. ...
03/25/2008
7341643Method of making packaging material
A packaging material, a method of making such a material, and a package made from such material, are disclosed. A substrate comprises at least one sheet of plastic material. An energy-curable coating is applied to one side of the substrate, which will be the outside...
03/11/2008
7341498Method of irradiating field emission cathode having nanotubes
Field emission devices comprising carbon nanotube mats which have been treated with laser or plasma are provided. Mats are formed from carbon nanotubes, also known as carbon fibrils, which are vermicular carbon deposits having diameters of less than about one micron...
03/11/2008
7335409Polymer-coated heat-sealable packaging material, method for manufacturing the same and a closed package made thereof
The invention relates to a manufacturing method of a heat-sealable packaging material, a polymer-coated packaging material manufactured using the method, and a sealed package to be manufactured of the material. The packaging material comprises a fibre base, such as ...
02/26/2008
7332052Wet waste compostable bag and method and apparatus for manufacturing same
An energy efficient method and apparatus for manufacturing a biodegradable, compostable, liquid-impermeable lined paper bag for containing wet (i.e. food) wastes by which all adhesives used in the process are cold glues applied without using heat and are applied thr...
02/19/2008
7331504Partially adhered tube and methods and apparatus for manufacturing same
A tube includes a structural ply wrapped around an axis of the tube, and adhesive which adheres an outer surface of the structural ply to an inner surface. The inner surface is part of the structural ply, or it is part of a second ply of the tube. The outer surface ...
02/19/2008
7325688Pressurized water-soluble pouch
A pressurized pouch is made of a water-soluble material, preferably PVA film, to hold a concentrated product for later mixing in a bottle to provide a water solution. Because of the interior pressure, the water-soluble pouch retains a semi-rigid resilient shape that...
02/05/2008
7320773Biodegradable laminate sheet and molded item from biodegradable laminate sheet
A biodegradable laminate sheet having as its object to provide a formed body superior in heat resistance, shock resistance, transparency and formability, and having non-stretched polylactic acid-family resin layer of which the crystallinity is 20% or less, and a lay...
01/22/2008
7311955Laminated package and method of producing the same
A laminated paperboard package is produced by initially printing graphics by high speed printing on a sheet of clay-coated publication paper. The printed paper is then continuously applied to a surface of cellulosic substrate and bonded to the substrate, preferably ...
12/25/2007
7288596Polyethylene compositions having improved tear properties
Disclosed are various compositions, including but not limited to a high density multimodal polyethylene composition, that has a density of 0.935 g/cc or more, and that includes a blend of a first polyethylene component and a second polyethylene component, in which: ...
10/30/2007
7279205Packaging material
A packaging material, a method of making such a material, and a package made from such material, are disclosed. A substrate comprises at least one sheet of plastic material. An energy-curable coating is applied to one side of the substrate, which will be the outside...
10/09/2007
7267858Packaging material for and packaged product of medical supplies and the like
A packaging material is formed by a substrate, and an inner sealing layer comprising a polyolefin layer and an aqueous dispersion-type polyester resin layer successively disposed on the substrate. The aqueous dispersion-type amorphous polyester resin layer contains ...
09/11/2007
7267885Containers and peelable seal containers of new non-PVC material
The present invention provides a flowable materials container. The container has a first sidewall and a second sidewall sealed together along a peripheral seam to define a fluid chamber. At least one sidewall is a film having at least one layer of blend of a first c...
09/11/2007
7258904Absorber and method for producing it
According to the present invention, a water absorbent material and materials to be sucked included in a water permeable bag type member form a water absorber. Thus, the water absorber is small both in weight and volume upon its transportation, and accordingly, the w...
08/21/2007
7229678Barrier laminate structure for packaging beverages
A barrier laminate packaging material comprising from its outermost surface to the innermost surface contacting the contents of the container to be prepared therefrom, a first exterior layer of a low density polyethylene polymer, a paperboard substrate, a first inte...
06/12/2007
7226210Synthetic resin bag for grain or feed
A synthetic resin bag is used for storing grain or animal feed. The bag includes an inner layer made of polypropylene textile woven in gauze, a coating layer attached to an inside surface of the inner layer, and an outer layer attached to an outside surface of the i...
06/05/2007
7226649Laser weldable flexible medical tubings, films and assemblies thereof
The present invention provides a tubing assembly having a sidewall having a first layer. The first layer is fabricated from a first polymer blend comprising a first component of a material not thermally responsive to laser beam and selected from the group consisting...
06/05/2007
7214414Biodegradable polymer blends for use in making films, sheets and other articles of manufacture
Biodegradable polymer blends suitable for laminate coatings, wraps and other packaging materials are manufactured from a blend of suitable biodegradable polymers, such as at least one “hard” biopolymer and at least one “soft” biopolymer. “Hard” biopolyme...
05/08/2007
7204950Dispensing package
A seamless collapsible container has a molded finish, configured and adapted for sealing with a closure and, optionally, for attachment to a dispensing apparatus, and a seamless, blow molded body portion, comprising an inner surface, an outer surface, and a wall, wh...
04/17/2007
7188800Collapsible winding core and method of making same
A winding core capable of being made in relatively thick-walled configurations and yet capable of being readily collapsed into a flattened configuration for shipping or storage prior to use comprises a plurality of fibrous plies helically wound one atop another and ...
03/13/2007
7179762Motor vehicle air bag and fabric for use in same
An air bag of the type utilized in a vehicle occupant restraint system has at least one panel of coated air bag fabric comprising a base fabric coated with a urethane coating material. The base fabric is woven in warp and fill directions from synthetic multifilament...
02/20/2007
7179245Flushable body waste collection pouch, pouch-in-pouch appliance using the same, and method relating thereto
A biodegradable and toilet-flushable body waste collection pouch, and an appliance in which such pouch constitutes the inner pouch of a peelably separable pouch-in- pouch system, are disclosed. The walls of the inner pouch are composed of an ultra-thin, heat-sealabl...
02/20/2007
7160590Packaging including a composite web comprising porous layer
A multilayer web article, including a first layer of a porous material, e.g., Tyvek® film, and a second layer overlying and sealed to the first layer. The second layer is non-porous to passage of gas therethrough and includes a peelable film, e.g., of polyethylene,...
01/09/2007
7160939Active masterbatch for production of CO2 generating masterbatch
A compound permitting the economic production of packaging containers, which when activated produces concentrated amounts of CO2 gas for extended periods for preservation of perishable products therein, comprises a mixture including a CO2 generating portion incorpor...
01/09/2007
7157126Tear resistant bag for consumables
The invention is a tear-resistant container or bag made with a multilayer film comprising a composite structure of relatively inexpensive polymers and paper. The multilayer composite structure generally consists of an oriented polymer film layer adhered to a reinfor...
01/02/2007
7147751Wiping products having a low coefficient of friction in the wet state and process for producing same
Base sheets are disclosed having a reduced coefficient of friction in the wet state. In accordance with the present invention, the base sheets can be treated with a high molecular weight polyethylene oxide, a derivatized polyethylene oxide or an acrylate copolymer c...
12/12/2006
7144624Dendritic fiber material
A thermal interface includes nanofibrils. The nanofibrils may be attached to a flat base or membrane, or may be attached to the tip portions of larger diameter fibers. The nanofibrils have a diameter of less than about 1 micron, and may advantageously be formed from...
12/05/2006
7135088Method of producing packaging material in the form of a continuous laminate web
The invention relates to a method of producing packaging material in the form of a continuous laminate web (17) and being of the type which includes a core layer (2) of paper or cardboard whose one face displays a layer (7) which is disposed out...
11/14/2006
7132161Fiber adhesive material
A fiber velvet comprising nano-size fibers or nanofibrils attached to micro-size fibers is disclosed. Methods of manufacturing the velvet as well as various uses of the velvet are also described. For example, the fiber velvet can be used as a thermal interface or as...
11/07/2006
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