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Wearable Device For Feeding and Observing Birds and Other Flying Animals

A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.

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Class 425/199 - Plural screens or plates


Subclass of Class 425 - Plastic article or earthenware shaping or treating: apparatus
Definition: Apparatus comprising a plurality of filter or perforated
No. of patents: 160
Last issue date: 09/02/2008


1        
NumberTitleIssue Date
7419592Device for filtering a fluid especially for plastic-processing installations
The invention relates to a device for filtering a fluid, especially a liquefied plastic, said device comprising a housing, a supply channel, a discharge channel and optionally backwash channels. At least two filter elements are arranged in corresponding filter regio...
09/02/2008
7309430Filtration system utilizing a single valve to direct fluid streams between filter assemblies and corresponding methods
A filtration assembly for filtering polymer fluids at varying flow rates includes at least two filter housing assemblies releasably attached to a filter support or main block. Polymer fluid is delivered to the filter housing assemblies via an inlet passage in the ma...
12/18/2007
7303706Device for producing expanded plastic moulded parts in an injection moulding process, using compressed physical expansion fluids
The manufacture of foamed polymer trim parts making use of physical blowing agents requires the diffusion and sorption of the blowing agent in the polymer melt. Said diffusion and sorption are achieved by intensive mixing. Therefore a statical mixing device is enclo...
12/04/2007
7269942Wall flow particulate trap system
A wall-flow particulate trap system regenerated by reverse flow of filtered exhaust gas through porous walls of a plurality of tubular passages is disclosed. The system includes a particulate trap having an inlet and an outlet, the particulate trap adapted to receiv...
09/18/2007
7267234Backflushable filter device for molten material and distribution unit for a filter device of this type
A backflushable filtering apparatus for a molten material, particularly for a plastic melt, comprises a housing (1) in which a sieving arrangement (17) is provided which includes at least two sieving sections (16) separated from one another. The...
09/11/2007
7264460Installation for preparing materials
A material processing plant comprises a first screw-type extruding machine (1) and a second screw-type extruding machine (2) which is disposed downstream thereof. Between the two screw-type extruding machines (1, 2), provision is made for a deli...
09/04/2007
7163388Method and apparatus for incorporating lumens into the wall of a tubular extrusion
A polymer extrusion head for forming continuous shapes having one or more lumens therein. The head includes an extrusion mandrel and die. At least one lumen pipe is disposed radially through a port in the die to intersect the polymer flow in the annular region betwe...
01/16/2007
7147774Sliding plate filter with segmented sealing ring
A filtration apparatus for use in polymer processing includes a housing having an internal bore for directing polymer flow and a channel oriented transversely to the bore. A slide plate for supporting filters is movable through the channel and across the bore. An an...
12/12/2006
7108500Process and apparatus for recycling of PET-material
Within a process for recycling of PET-material and/or objects of PET, the PET-material to be processed is heated and dried in the course of a pre-treatment step and simultaneously is crystallized at elevated temperature. This pre-treatment step is followed by a main...
09/19/2006
6852260Process for preparing cleansing bars having well-defined platelet striations therein
A process for preparing a cleansing bar having well-defined platelet striations therein which comprises extruding a cleansing bar composition having platelets therein to form a cleansing bar using an extruder having a perforated barrier across the cross section of t...
02/08/2005
6843915Cleaning device for sieve discs
A device for cleaning melt filters which are intended for filtering melts, particularly plastic material melts in extruders, and which include at least one moveable sieve disc with one or more exchangeable sieve inserts, wherein at least one sieve insert is moveable...
01/18/2005
6790025Extrusion molding apparatus
An extrusion molding apparatus capable of improving the extrusion rate of the ceramic material without a major reconstruction of a drive system is disclosed. The extrusion molding apparatus comprises screw extruders (2, 3) including housings (29, 39) h...
09/14/2004
6776946Method and apparatus for rubber extruding
Increase or decrease in rubber extruding rate can be freely adjusted while keeping a sectional shape of a rubber extruded intermediate constant. A discharge port of a rubber flow path of a die plate is of a flat shape with a lower section and a higher section and wi...
08/17/2004
6716016Self-sealing compact spinneret for a melt spinning process
The invention relates to a spinneret for spinning thermoplastics. Said spinneret comprises a central polymer inlet channel, a filter assembly (2), consisting of one or more filter plates of various filtration grades, a spinneret plate (3) and a housing...
04/06/2004
6663378Apparatus for correcting bow in a honeycomb extrudate
Apparatus and a method for extruding a honeycomb, providing correction in bowing of the extruded honeycomb structure, employs a deflector device having a base plate including an aperture aligned in a direction parallel to the extrusion axis through which ...
12/16/2003
6641728Device for filtering a liquid, particularly for filtering a polymer plastic melt
A device for filtering a liquid, in particular for filtering a polymer plastic melt, has a housing which includes an inlet channel, a connecting channel situated in a shaft and a discharge channel, as seen in the flow direction of the liquid to be filtere...
11/04/2003
6582598Wave filter for rotary filter
Rotary filters, known within the polymer melt filtration industry, are improved by the provision of wave shaped filter support plates within the filter chambers of a rotatable disc of a filter. This rotatable disc filter has further a series of tabs, hold...
06/24/2003
6537454Device for influencing the flow-through of plastic material which is heated such that it can flow through a housing
A device for controlling the flow of plastics material, heated until flowable, through a housing, in particular a filtering device or a direction-control device for the plastics material, comprises a flow channel extending through the housing, and a plung...
03/25/2003
6533934Filter-replacement cassette
A filter-replacement cassette for an extruder. A housing (1) has at least one bore. The bores (2 & 3) extend above and below and at a right angle to the horizontally flowing plastic. A cartridge (4 or 5) that accommodates a replaceable filter (5) slides b...
03/18/2003
6500336Polymer melt filtering device with changing filter packets
A polymer melt filtering device comprising a housing with an inflow (3) and an outflow (4) for the polymer melt, in addition to a slider (5) which can be sealingly displaced therebetween, perpendicular to said inflow and outflow. The slider (5) consists o...
12/31/2002
6474967Breaker plate assembly for producing bicomponent fibers in a meltblown apparatus
A die head assembly for producing meltblown bicomponent fibers in a meltblown apparatus includes a die tip detachably mounted to an underside of a support member. The die tip has a row of channels defined therethrough terminating at exit orifices along a ...
11/05/2002
6461133Breaker plate assembly for producing bicomponent fibers in a meltblown apparatus
A die head assembly for producing bicomponent meltblown fibers includes a die tip detachably mountable to a support member. The support member conveys first and second polymers separately to the die tip. The die tip has a row of channels defined therethro...
10/08/2002
6422852Filter device for extruders and injection moulding machines
A filter device for extruders and injection moulding machines designed to process thermoplastics, comprising filter elements that are fitted in at least two separate ducts of a housing between at least one main admission duct and one main exit duct and ar...
07/23/2002
6392007Multi-pixel liquid streams, especially fiber-forming polymeric streams, and methods and apparatus for forming same
At least two different liquid streams are sub-divided into a dense plurality of individually separated parallel pixels oriented in respective misregistered arrays. Therefore, an individual pixel of one of the liquid stream arrays will be surrounded by pix...
05/21/2002
6375450Extrusion apparatus for ceramic honeycomb articles
An improvement in a process of making honeycomb articles, which process utilizes a co-rotating, intermeshing twin screw extrusion apparatus to mix, screen, and extrude a batch of ceramic materials through a die, the improvement which comprises the steps o...
04/23/2002
6342156Multi-segment continuous filtration system
A multi-segment filter system is provided for continuous filtration of high viscosity materials, such as polymer melts. In particular, each segment comprises a filter screen positioned between a bottom breaker plate and a top cover plate. The filter scree...
01/29/2002
6325922Filter device for cleaning plastics melts
A filter device for filtering plastic melts includes a filter wheel having cavities which are covered by screening elements. A pressure sensor is provided in a melt inflow line upstream of the filter wheel. A pressure sensor is also provided in a melt out...
12/04/2001
6325217Backflush attachment for a filtering device
A backflush attachment for a filtering device, in particular for a plastics melt filter, the backflush attachment comprising a housing having guide channels following an entry bore, as well as backflushing channels, and at least one rotary piston which en...
12/04/2001
6309570Vacuum extrusion system for production of cement-based articles
A system for making extruded cement-based articles. The process can include forming a cement-based feed mixture including water, aggregate and binder and directing the feed mixture to a vacuum zone, wherein sufficient vacuum is maintained in the vacuum zo...
10/30/2001
6270703Polymer filteration apparatus and method of use
The present invention includes a filtration apparatus for an injection molding machine where the injection molding machine includes a screw housed within a bore for generating molten polymer. A tip member extends axially from the screw. The tip member has...
08/07/2001
6261079Screen exchanging device
At a distal end of a slide bar 4 which is axially slidably inserted in a through hole 1a of a housing 1 is formed a cylindrical filter chamber 7. The filter chamber 7 has a communicating hole 6 communicating with an inlet 3 provided in the housing 1 and a...
07/17/2001
6241503Spin pack for spinning multiple component fiber yarns
A composite yarn formed of at least two different individual polymeric fibers may be spun by directing at least two streams of different polymer melts (e.g., polymer melts of different colors and/or characteristics) to a spin pack such that one of the str...
06/05/2001
6238558Filter changer with bimodal sealing means
A slide plate filter changer having an upstream seal ring bearing on the filter carrier in the operative position to prevent fluid leakage into the filter carrier channel. The seal ring is subjected to bimodal longitudinal forces respectively produced by ...
05/29/2001
6221266Variable capacity continuous extended area filter
A molten polymer filtration assembly includes at least three independently controllable and removable filter housings which extend from a common inlet passage to a common outlet passage, thereby providing parallel flow paths for polymer filtration. Each o...
04/24/2001
6206558Extrusion system
An extrusion system is provided with a screen changer between in-line screw sections. An in-line seal diverts high pressure, high temperature foamable material toward the screen changer. The seal may have reverse flights to provide a visco-dynamic seal. T...
03/27/2001
6196820Device for filtering plastics in injection molding machines
A process and a corresponding device for filtering plastics in an injection molding machine having a plasticizing unit and a mold cavity. A slide having a receptacle for a filter element is arranged between the plasticizing unit and the mold cavity. A pis...
03/06/2001
6168411Polymer filtration method and apparatus
The present invention includes a filtration apparatus for an injection molding machine where the injection molding machine includes a screw housed within a bore for generating molten polymer. A tip member extends axially from the screw. The tip member has...
01/02/2001
6153093Filter screen pack for extrusion die
The filter intercepts dirt emanating from a molten-polymer extruder. The filter is clamped between perforated support plates, and a rotor sweeps the holes in the upstream plate. The rotor defines a cavity which communicates with a small sector of the hole...
11/28/2000
6117338Continuous polymer melt filtration
Apparatus for continuously filtering molten polymer comprising: an arbor seated in a fixed support, the arbor having inlet and outlet ports for respectively receiving contaminated and discharging filtered melt, the ports communicating with openings in a p...
09/12/2000
6039908Method for honeycomb extrusion using a corrected flow gradient
Apparatus and a method for extruding a honeycomb, providing reductions in curvature or bowing of the extruded honeycomb structure, employs a bow deflector positioned upstream of the extrusion die, the bow deflector comprising adjoining, independently rota...
03/21/2000
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