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7476094 |
Plastic material metering system for plastic articles manufacturing device
The invention relates to a plastic metering system in a device for producing plastic articles, comprising a metering unit ( 1 ) forming a block ( 2 ) comprising a material feed duct ( 10 ), a...
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7374416 |
Apparatus and method for controlled width extrusion of filamentary curtain
The invention provides a method for controlling the width of a plurality of extruded filaments comprising providing a polymer supply and an extrusion die comprising a plurality of extrusion...
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7090797 |
Extrusion method and extrusion device
An extrusion method and an extrusion device, whereby at least two different flows of material are supplied from the extrusion device to a nozzle. The nozzle comprises at least two nozzle chambers...
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7001547 |
Method 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...
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6773255 |
Plastic composites made from incompatible plastics
Multilayer plastic composites containing at least two incompatible plastics, A and B, in which the layering sequence alternates between A and B, the layers of plastic B are discontinued at regular...
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6743006 |
Die for extruding flowable materials and having a static mixer therein
An extrusion/coating die. The die has an internal cavity and one or more static mixers in the die cavity. The static mixer fills the die cavity at its respective cross section. The die may also...
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6729867 |
Device for manufacturing a flexible strip of at least two different masses flowable with the addition of heat
A strip casting device ( 2 ) has a casting container ( 14 ) from which through a casting gap ( 15 ) two different masses ( 12, 13 ) of a material flowable with the addition of heat are poured out...
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6634878 |
Crosshead
A ground color main extruder 9 which supplies a ground color resin that is to cover a strand conductor 3 is disposed. Plural stripe sub extruders 21 and 31 which supply a colored resin in a...
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6604336 |
Roof tiles, roof tile layout, and method of manufacture
Complementary roof tiles for a staggered roof tile layout are provided by: (i) extruding and conveying a composite ribbon; (ii) demarcating the composite ribbon into an alternating succession of a...
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6561783 |
Extruding machine for making multi-color mesh belts
An extruding machine for making multi-color mesh belts includes an injection block which has a single material feeding inlet and a material feeding tube which has a plurality of equally spaced...
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6477944 |
Molding device for pastry products
A molding device for pastry products includes an upper rotary disc, a set of cutting tools and a central through hole formed at the front aspect of a cutting edge portions of a plurality of cutting...
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6408217 |
Computer aided design system and three-dimensional design method using the same and storing medium
An injection mold design system for correcting a profile of a product to be fabricated into a releasable profile from a mold to design an injection mold based on a corrected product shape,...
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6261076 |
Apparatus for manufacturing marble candy
Candy mass including sugar and starch syrup is passed through a nozzle to which twisted-blades are mounted by a pair of a piston and a deposit cylinder for deposit, the candy mass being poured into...
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6234779 |
Method of shaping a spherical body and apparatus therefor
An apparatus for shaping a spherical body composed of an outer covering layer and an inner filling, comprising a holder frame, a rotary wheel rotated forwards and backwards alternatively in the...
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6174154 |
Apparatus for cutting and shaping food products
An apparatus for cutting and shaping food products consisting of a filling and a crust from bar-shaped food material. The apparatus comprises shutter members, each having a convex cutting surface...
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6129872 |
Process and apparatus for creating a colorful three-dimensional object
A process and apparatus for fabricating a colorful three-dimensional object in accordance with a computer aided design (CAD) image of the object. The apparatus includes (a) a supply of one...
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6030199 |
Apparatus for freeform fabrication of a three-dimensional object
An improved apparatus and method for forming a three-dimensional object by planar deposition of forming materials includes containers for holding molten forming materials, mechanical piston or...
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5989003 |
Apparatus for consecutively molding differently colored parts
Apparatus for molding consecutive streams of differently and homogeneously colored resin in a single mold. The apparatus is used to practice a method including supplying molten resin to a selected...
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5967025 |
Apparatus for cutting and shaping a spherical body
An apparatus for cutting and shaping spherical products, such as filled dumplings, including a plurality of shutter members, each shutter member having first and second adjacent sliding surfaces...
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5916601 |
Apparatus for manufacturing raised-brim products
A simple method and apparatus is provided for manufacturing raised-brim products in which the end of a continuous bar-shaped dough body is fed into an opening surrounded by a plurality of movable...
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5851566 |
Applicator die
An improved applicator die for alternately depositing different liquid coating materials on a moving web comprises a die body having switch bars for opening and closing respective flow passageways...
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5785920 |
Extrusion molding apparatus and method of forming a parison
A rod 3 is driven forward to open an annular slit 5 between a die 2 and a mandrel 4 and the molten resin in a resin accumulation chamber 10 is expelled from annular slit 5 to form a parison. In...
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5773037 |
Extrusion head with color-changing device
The device (2) for changing the outside coating color of the extruded product is seated directly in the extrusion head (1), thus minimizing the length of the duct (25) in which the colored...
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5718927 |
Apparatus for multilayer blow molding
An apparatus for manufacturing multilayer hollow articles having sections different from one another in respect to the kinds of resins, number of layers, and thickness of layers along the...
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5697402 |
Apparatus for melt mixing synthetic polymers
A system for mixing first and second polymer melt flows and directing a mixed polymer melt flow to one and another downstream locations includes a control valve having an inlet port for receiving...
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5656304 |
Apparatus for melt mixing and spinning synthetic polymers
An apparatus for melt mixing and spinning synthetic polymers, which has a plurality of spinning nozzle units, a main extruder with a capacity sufficient to feed a polymer melt to the plurality of...
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5635221 |
Injection molding apparatus for resin using gas injection
An injection molding apparatus for a resin structure uses gas injection. The apparatus includes a resin supply that feeds more than one resin to a mold, a gas exhaust that discharges gas supplied...
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5589122 |
Method of making double-sided pressure-sensitive adhesive tape
A method utilizing melt processing for making a unified, composite tape structure that includes two outer pressure-sensitive adhesive layers and a backing wherein at least one of the two outer...
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5567493 |
Die for extrusion of multi-hole tube and multi-hole tube made with the die
A multi-hole tube extrusion die comprises a female mold die having a flat opening and a mandrel having comb-teeth-like molding portions arranged in the opening. A heated material is extruded...
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5558896 |
Method for cutting a bar-shaped food and its apparatus
The present invention relates to a method for cutting bar-shaped food and its bar-shaped food apparatus, capable of cutting completely food materials mass-produced and pushed out sequentially in a...
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5518391 |
Apparatus and polyhedral member for cutting and shaping a bar-shaped dough body
An assembly for cutting and shaping a bar-shaped dough body including a plurality of polyhedral cutting members disposed around an opening through which the bar-shaped dough body is extruded. The...
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5486325 |
Seal molding method and device
A method and device for molding a door seal, such as for an automobile. The device is provided with a first extrusion passage for extruding a molding material into a hollow portion of the door...
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5403529 |
Method for forming composite synthetic resin material
The running length of an inner synthetic resin within an outer synthetic resin in a composite synthetic resin is reduced by flowing a forced synthetic resin flow behind intermittent flows of the...
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5387381 |
Method for extruding plastic with accent color pattern
A new and useful process for producing a plastic article (e.g., vinyl siding) with an accent color pattern incorporated therein, and a specially formed accent color pellet which is useful in such a...
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RE34711 |
Device for feeding an extrusion head for plastic material
A device for feeding an extrusion head for plastic material includes a main extruder connected to a main die for extruding a continuous main flow of material, and an auxiliary feed mechanism...
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5320793 |
Process for manufacturing an extruded and cut product containing material not suited to be severed
A process for manufacturing extruded and cut products (70) containing a first material (20), resistant to being severed or sensitive to being severed, and an easily severed second material (16)....
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5316703 |
Method of producing a lamellar polymeric body
A method for the production of a lamellar reflective polymeric body is provided and includes the steps of providing a first stream of a first heat plastified polymeric material and a second stream...
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5297946 |
Multilayer parison extruder
A multilayer parison extruder includes a cylinder; an annular piston movably fitted in the cylinder; a material accumulation chamber in which the piston is moved; a material conduction chamber...
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5258160 |
Process and apparatus for producing elongated body of elastic modulus changing type
A process and apparatus for producing an elongated body changing in elastic modulus longitudinally thereof with use of polymers without resulting in variations in the outside and inside diameters...
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5232751 |
Vinyl sheet article presenting striated color patterns and method of making the same
A method and apparatus (10) is provided for producing vinyl siding (76) having aesthetically pleasing, wood-like striations embedded therein. Apparatus (10) includes processing structure (12) for...
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5223277 |
Apparatus for cutting an enveloped body
An improved apparatus for cutting an enveloped body, which consists of an assembly having at least three circumferentially disposed cutting members, each cutting member having at least two sliding...
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5219588 |
Die assembly control
A die assembly (10) for controlling extrudate profile dimension. The die assembly includes a die block (12) having a feed passage (16) for movably supporting a diverter member (13) within the die...
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5211107 |
Apparatus for making stuffed buns
A buns making device includes a tube having an upper end for receiving stuff to be stuffed in the buns, a barrel disposed on an outer and lower portion of the tube, an opening formed in the barrel...
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5209156 |
Extruding and cutting frozen confections containing edible particulates
A method for producing extruded and cut frozen confections (70) containing a first material (20) with particulates such as peanuts, and a second material (16) without particulates. Includes an...
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5204120 |
Intermittent multi-layer multi-parison extrusion head
A multi-layer, multi-parison extrusion head in which nearly identical parisons are extruded from each extrusion station of the head when operated in an intermittent mode. Resin passages are...
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5186875 |
Method of manufacturing of a novel hollow multi-layer article
A method of manufacturing a multi-layer hollow article which consists of extruding a multi-layer parison having at least a chief resin layer, a sub resin (barrier) layer, and an adhesive resin...
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5156857 |
Extrusion die for extrusion blow molding equipment
Disclosed are resin stream modulation or shut-off control apparatus for use in a multi-layer extrusion die head for forming a multi-layer plastic resin parison tube suitable for blow-molding. The...
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5156796 |
Forming hollow plastic product partially different in composition and its manufacturing apparatus
A composite parison generally cylindrical in shape and including two or more plastic materials different in characteristic is formed. Using this composite parison, a hollow plastic product of any...
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5143681 |
Extrusion blow molding of multilayer hollow bodies with layer disturbances limited to flash
In a process and apparatus for the discontinuous production of preforms for producing hollow bodies from thermoplastic material, the wall of which is a laminate having at least first and second...
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5110530 |
Striped film method
Striped films of the invention can have two or more preferably polymeric layers, of which at least one continuous or discontinuous layer includes a pigmented resin. The striped film is produced by...
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