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Class 264/173.13 - Vinylidene chloride or fluoride containing layer


Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes wherein at least one of the layers contains vinylidene
No. of patents: 72
Last issue date: 03/04/2008


1    
NumberTitleIssue Date
7337593Method of forming a blister package including a fluoropolymer layer
Blister packages are provided which are formed from multilayered films having a lid-stock film which is heat sealed directly to a fluoropolymer film. A polymeric base layer is adhered to a fluoropolymer layer via a first intermediate adhesive tie layer; a support la...
03/04/2008
7205040Peelable polyester film having improved oxygen barrier, process for its production and its use
Coextruded, biaxially oriented polyester films which have a base layer (B) and have a heatsealable outer layer (A) that can be peeled from APET/CPET and from CPET, where the outer layer (A) comprises from 80 to 99% by weight of polyester and
04/17/2007
7198744Preparation of co-extruded multi-layered rubber composite and use as component of a tire
This invention relates to the preparation of a multi-layered rubber composite, said composite and a tire having a component prepared thereby. The multi-layered rubber composite is composed of at least two individual rubber compositions configured as at least three p...
04/03/2007
7172403Apparatus for preparing a gypsum wallboard core
A gypsum wallboard core, and methods and apparatus for making the same are disclosed. Methods of making a gypsum wallboard core include extruding a gypsum slurry containing water, gypsum, slip agents, water-reducing agents, surfactants and, optional additives, throu...
02/06/2007
7160091Device for the production of multicomponent fibers or filaments, in particular bicomponent fibers or filaments
Device for the production of multicomponent fibers or of filaments, in particular bicomponent fibers, whereby a nozzle block assembly is provided. The assembly consists of a middle nozzle block and two outer nozzle blocks. Arranged in the nozzle block assembly are a...
01/09/2007
7156635Multi-layer food product system and process
A system produces a multi-layer product by forming as many different ingredients as is required for the final product in steps that can be separate from each other and then combining these ingredients in an extrusion die that is formed to flow the separate ingredien...
01/02/2007
7128853Method and apparatus for manufacturing a rubber sheet containing short fibers
A method and apparatus for manufacturing a rubber sheet containing short fibers. The method includes the steps of: mixing short fibers in a flowable rubber matrix; forming the flowable rubber matrix with the fibers therein into a cylindrical shape with a circumferen...
10/31/2006
7128861Method for producing hollow yarn film
In a method for producing hollow fiber membranes which comprises melt kneading a mixture comprising polyvinylidene fluoride and an organic liquid or a mixture comprising polyvinylidene fluoride, an organic liquid and an inorganic fine powder, extruding the kneaded m...
10/31/2006
7122141Method and system for dual co-extrusion
In a co-extrusion system, a primary extruder is connected to a primary flow director to direct the solid melt from the primary extruder to the co-extrusion assembly. A secondary extruder is connected to a secondary flow director to direct the melt from the secondary...
10/17/2006
7108817Die, especially for extruding green ceramic foils
A die for producing flat sections, in particular a flat-sheet die for extrusion of ceramic green films, has a slot-shaped die outlet which opens in an outlet orifice. The height of the slot-shaped die outlet narrows beginning in the immediate vicinity of the outlet ...
09/19/2006
7090479Apparatus and method for manufacturing resin molded product
The manufacturing apparatus of a resin molded product has a feed block that sets a layer configuration of the resin molded product obtained by molding a plurality of molten resins. The feed block includes a feed block body having a through hole, and a plurality of r...
08/15/2006
7063810Co-extrusion of energetic materials using multiple twin screw extruders
The invention comprises a continuous, integrated process to produce a multiple layered energetic material where the layers comprise energetic materials having, at least, two different burning rates. The process uses at least two twin-screw extruders to process at le...
06/20/2006
7056112Extrusion die and method for using the same
An improved extrusion die and a method for using the same that minimizes the deflection of the die exit by providing the walls of the extrusion die with areas of increasing thickness that increase from the die ends to a central location. The die wall thickness is va...
06/06/2006
7001547Method and apparatus for joining sheet- or ribbon formed flows in a coextrusion process
A method and apparatus are described for coextruding two materials A and B, in which B is extruded on A through a port (3), in which the separating wall between the flows of A and B is formed as a flap closure (4) adapted to act as a non-return valve f...
02/21/2006
7001555Apparatus for producing multi-component liquid filaments
A melt spinning apparatus including a spinpack with a die tip block having a recess with a converging portion, such as an angled trough, which terminates in a row of filament discharge outlets. The recess selectively receives a configuration insert, such as a side-b...
02/21/2006
6998084Co-extruded pigmented/clear coated polymeric coating for an article such as automotive exterior body panels
A colored coating for an article is provided including a first layer polymeric coating material with a transparent base which has been pigmented to a desired color and extruded, a second layer of transparent polymeric coating material which has been co-extruded with...
02/14/2006
6949283Polymeric coextruded multilayer articles
Described is a polymeric coextruded multilayer web, the web comprising: at least two layers that are discontinuous in the cross-web direction, each layer comprising a plurality of distinct phases that are substantially continuous in the down-web direction; and at le...
09/27/2005
6911244Encapsulated barrier for flexible films and a method of making the same
The present invention relates to a film structure and a method of manufacturing the same. More specifically, the film structure may include a barrier material made from EVOH, nylon or other thermally sensitive barrier material encapsulated by a first adhesive materi...
06/28/2005
6902645Three part high moisture barrier for packages
A three part laminated material for use in making blister packages and a method of making such a material. The material is comprised of a central core layer of poly chloro-tri-fluoro ethylene to each side of which a separate polymer film is adhesively attached. The ...
06/07/2005
6814913Polyester tray package with lidding film having glycol-modified copolyester sealant layer
A tray-type package is disclosed which includes a polyester support member, a product contained on the support member, and a lidding film containing the product and sealed to the periphery of the support member, the lidding film including a sealant layer of a polyes...
11/09/2004
6632383Method for producing improved polymeric films
A method for producing an improved coextruded polymeric film is disclosed. First, a base layer containing a polymeric matrix and at least one additional layer on at least one side of the base layer are coextruded. If the coextruded polymeric film is to be...
10/14/2003
6562443Cook-in package with tight appearance
A heat shrinkable film suitable for use in cook-in applications is provided which exhibits a transverse direction free shrink at 50° C. of less than about 2% and a transverse direction free shrink at 57° C. of at least about 3%. The food contact layer i...
05/13/2003
6409952Drying and processing cellulosic compounds
The present invention is a system and process for drying and extruding a cellulosic compound. The compound materials are provided to a mixer in a desired ratio. The compound materials are then mixed together. Thereafter, the compound materials can be stor...
06/25/2002
6238607Highly oriented fluoropolymer films
A method of producing highly oriented multilayer films comprising laminating films having at least one layer of a fluoropolymer, at least one layer of a polyolefin homopolymer or copolymer and an intermediate adhesive layer of a polyolefin having at least...
05/29/2001
6207091Process for producing the drawn molded article of a fluoroplastic
A process for producing a fluoroplastic drawn molded article is disclosed in which a fluoroplastic molded article is brought into contact with a heating medium set at a temperature exceeding the static melting point of the molded article and drawn at a te...
03/27/2001
6203750Method for making a heat-shrinkable film containing a layer of crystalline polyamides
A process of making a biaxially-oriented multilayer film, comprises extruding a tubular multilayer tape and inflating the tape so that the tape is biaxially oriented by stretching in the transverse direction and machine direction at the same time, so that...
03/20/2001
5945221Biaxial orientation of fluoropolymer films
The present invention provides biaxially oriented multilayer fluoropolymer films. They are produced by coextruding or laminating films having at least one layer of a fluoropolymer, at least one layer of a thermoplastic homopolymer or copolymer and an inte...
08/31/1999
5874035Highly oriented fluoropolymer films
A method of producing highly oriented multilayer films comprising coextruding films having at least one layer of a fluoropolymer, at least one layer of a polyolefin homopolymer or copolymer and an intermediate adhesive layer of a polyolefin having at leas...
02/23/1999
5788902Extrusion of degradable plastic material in tubular form
A method of extruding degradable plastic material in tubular form includes providing an annular extrusion die having an annular extrusion orifice and a longitudinal extending annular passage for conveying plastic material to the extrusion orifice. The die...
08/04/1998
5705111Methods for making multiple layer sheet materials
Methods related to coextrusion of heat-sensitive polymer materials. The sensitive melt stream element (12) is encapsulated in a second polymeric melt stream element (16). Transport means (36) is preferably employed between the encapsulating means (20) and...
01/06/1998
5512225Method of increasing interlayer adhesion of multi-layer compositions having a fluoroplastic layer
A method for increasing the adhesion of a first layer comprising fluoroplastic to a second layer containing a peroxide-curable hydrocarbon elastomer is disclosed. The method involves adding a primary-amine containing unsaturated compound or polymer of les...
04/30/1996
5378414Method of forming packaging compositions
A process to produce a packaging film through the addition, in a unique continuous in-line application, of interactive/barrier material with a sealant layer disposed thereover during the packaging film production prior to the tenter operation....
01/03/1995
5356583Method of making a modified burn characteristic saranex film
A coextruded film with both gas barrier and fire retardant properties as well as good physical properties is made up by melt coextrusion to form a four or five layer film product useful in making laminates for protective clothing or tarps. The five layer ...
10/18/1994
5190711Methods for processing polymers
Method and apparatus for fabricating multiple layer sheet materials while minimizing the time during which a sensitive polymeric melt stream is in contact with metal. The method comprises encapsulating the sensitive melt stream with a second polymeric mel...
03/02/1993
5147594Extruding vinylidene chloride copolymer flexible packaging film
This invention relates to extruding films made from vinylidene chloride copolymers. Specifically, this invention relates to a method for lowering the oxygen permeability and enhancing the thermal stability and enhancing the melt shear stability of packagi...
09/15/1992
5143677Co-extrusions methods
Apparatus and method for fabricating films and packages, especially films and packages containing a layer of vinylidene chloride copolymer. The preferred apparatus includes a coextrusion feedblock (20) in combination with an annular extrusion die (10) hav...
09/01/1992
5108844Blended films, structures therefrom, and methods of making and using them
Blends having improved adhesion to each other when coextruded into multilayer films, such films, film-packages such as pouches from such films, and methods for making and using the films and film-packages are disclosed and claimed. Improved adhesion betwe...
04/28/1992
5106562Extrusion methods and apparatus
Methods and apparatus for reducing the impact of a higher temperature polymeric melt stream element on a lower temperature polymeric melt stream element, and vice versa. The methods include: supercooling the hotter melt stream element, exposing one or mor...
04/21/1992
5089308Coextruded film and methods comprising vinylidene chloride methyl acrylate copolymer
Vinylidene chloride methyl acrylate copolymer coextruded with second and third different polymeric compositions in fabrication of multiple layer films. The third layer is between the first and second layers. The second composition can have a melting tempe...
02/18/1992
5080961Coextruded structures
The present invention is directed to a multilayered coextruded thermoplastic structure useful as a packaging material having a barrier layer of polyvinylidene chloride, a polycarbonate layer and an adhesive layer interposed therebetween. The polycarbonate...
01/14/1992
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