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Topic: Spinneret

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	Spinneret - Wikipedia, the free encyclopedia
		Silk can be seen coming from two spinnerets (click on image to view larger version).
		Most spiders have six spinnerets; some have four or two.
		Spinneret also refers to a multi-pored device through which a plastic polymer melt is extruded to form fibers.
	en.wikipedia.org /wiki/Spinneret (153 words)

	Spinneret device for conjugate fibers of eccentric sheath-and-core type - Patent 5035595
		A spinneret assembly according to claim 1, wherein in said grooves for eccentricity have a depth of 1 to 5 mm and the area of projection of each of said grooves is 10 to 90% of the area of the quadrilateral of four adjacent sheath liquid pressure control holes.
		A spinneret assembly according to claim 1, wherein each said groove for eccentricity has one of said core liquid introducing holes and the projection of each said groove is symmetric relative to a straight line in a direction of eccentricity that passes through a central point of the respective one of said introducing holes.
		A spinneret for conjugate fibers of concentric sheath-and-core type is a circular spinneret device which is composed of a nozzle plate provided with spinning holes for melt-spinning of sheath-and-core conjugate fibers and a distributing plate provided with introducing holes, for distributing a core component and a sheath component into the spinning holes.
	www.freepatentsonline.com /5035595.html (2929 words)

	U.S. Patent: 5279776 - Method for making strong discrete fibers - January 18, 1994
		The importance of using a spinneret and tunnel configuration on imparting key properties, such as tenacity and elongation to break, to the flash spun, continuous fibers is described in U.S. Pat.
		In the standard spinneret assembly, a polymer solution 16 is passed through chamber 10 and spinneret 12 and into a region of substantially lower temperature and pressure.
		Position (1) is at the spinneret, position (2) is at the tunnel entrance and position (3) is at the tunnel exit.
	www.everypatent.com /comp/pat5279776.html (4413 words)

	Apparatus for spiral-boss heterofil spinneret - Patent 6554599
		The spinneret assembly of claim 2 wherein said spinneret further includes a channel for receiving sheath polymer from said distributor and for conveying the sheath polymer to said recessed pathway.
		The spinneret is provided with an integral boss having a plurality of orifices for receiving core polymer which coaxially align with the distributor outer openings for receiving core polymer.
		The distributor 12 and spinneret 16 are relatively positioned by a central dowel pin 32 in the center of the spin pack 10 and outer dowel pins 33 interspersed along the outer ring of bolts 30.
	www.freepatentsonline.com /6554599.html (2119 words)

	Manufacturing: Fiber Formation Technology (Site not responding. Last check: 2007-10-31)
		Maintenance is also critical, and spinnerets must be removed and cleaned on a regular basis to prevent clogging.
		As the filaments emerge from the holes in the spinneret, the liquid polymer is converted first to a rubbery state and then solidified.
		The spinnerets are submerged in a chemical bath and as the filaments emerge they precipitate from solution and solidify.
	www.fibersource.com /f-tutor/techpag.htm (741 words)

	Tom Bradford for President: Spinneret Project (Site not responding. Last check: 2007-10-31)
		Spinneret is a semi-structured storage engine that can be thought of as an extended tuple storage system.
		The benefit of Spinneret is that its data model is incredibly flexible, allowing it to expose its underlying data in any number of ways.
		There are only a handful of primitive and composed types in the Spinneret data model, but the combination of these types allows for a wide variety of complex data modeling.
	www.tbradford.org /2004/08/spinneret-project.html (277 words)

	Jillian's SEM project
		It was found that there was a difference in the positioning of the spinnerets on the abdomen and what appeared to be a difference in the size of each spinneret.
		The differences in spinneret structure and of the tarsal claws and bristles may all be useful characters for classification.
		The purpose of this study was to examine the spinnerets and tarsal claws used to manipulate silk threads of spiders belonging to three different families.
	www.uleth.ca /emf/Barnes_Photogallery/index.htm (2022 words)

	spinneret - Summary [Savannah]
		Spinneret is a graphical tool for managing the data and style of web pages in a website, easily and quickly.
		Spinneret support several styles of web pages such as frame pages, link pages, dynamic data pages etc. The styles of each page can be selected or changed using the web organizer.
		Spinneret uses a relational database for the storage and manipulation of various types of data.
	savannah.nongnu.org /projects/spinneret?printer=1& (881 words)

	Spinneret - The tool that spins the web
		Spinneret is a Linux based graphical tool for managing the data and style of pages in a website, easily and quickly.
		The tool spinneret can be used to manage various links in a web page, creation of frame pages, managing the data in the web page etc through graphical window with out altering the html pages directly.
		Spinneret enables you to handle the data/information and style of the web page separately and combine this later using generator (publish) utility of Spinneret.
	www.macfast.org /spinneret/index.html (196 words)

	International Fiber Journal and ifj.com - the recognized source for coverage of the manmade fiber industry worldwide
		Spinnerets have been known to split like a zipper opening and cannot be repaired.
		As an example, a spinneret having 25 holes per inch that are 0.4 mm in diameter and with a capillary length of 4.0 mm, will cost about $1000 per inch.
		Sketch II illustrates a melt blown system wherein the distance from the spinneret to the forming box is set by lifting the frame away from the forming box.
	www.ifj.com /issue/April00/32.htm (3792 words)

	...::: Zoom Fabrics Pvt. Ltd. :::... Sarees, Dreess Materials, Yarns, Fabrics, Machinery (Site not responding. Last check: 2007-10-31)
		In their initial state, the fibre-forming polymers are solids and therefore must be first converted into a fluid state for extrusion.
		The spinnerets used in the production of most manufactured fibres are similar, in principle, to a bathroom showerhead.
		In melt spinning, the fibre-forming substance is melted for extrusion through the spinneret and then directly solidified by cooling.
	www.zoomfabrics.com /mfgprocess.htm (747 words)

	Effect of Shear Stress within the Spinneret on Hollow Fiber Membrane Morphology and Separation Performance
		The effects of shear stress and shear experience within a spinneret during hollow fiber spinning on membrane morphology, gas separation performance, and thermal and mechanical properties have been experimentally determined.
		O as the bore fluid with a constant bore fluid to dope fluid flow rate ratio in order to minimize the complicated coupling effects of elongational stresses, uneven internal and external solvent exchange rates, and substructure resistance on fiber formation and separation performance.
		Clearly, the fully developed high shear stress within the spinneret has altered the thermodynamics of nodular formation, and the nodules either might not exist or become too small to be detected or deform into ambiguous elliptical shape.
	pubs.acs.org /cgi-bin/abstract.cgi/iecred/1998/37/i10/abs/ie9802111.html (435 words)

	[No title] (Site not responding. Last check: 2007-10-31)
		Flow of non-Newtonian polymer from a spinneret is studied and the cooling of a filament as it passes through the cold air is investigated.
		As the filament leaves the spinneret, it is narrowed, while still in the fluid state, by drawing of at a constant take-up velocity.
		The ratio of the maximum diameter of the extrudate to the diameter of the spinneret, dmax/d0 is called the die swell ratio or swelling factor.
	www.polyspin.com /makaleler/quench.doc (2093 words)

	Spinneret for production of a hollow filament within a hollow filament composite fiber having spacing means (US4941812)
		Spinneret for production of a hollow filament within a hollow filament composite fiber having spacing means (US4941812)
		The apparatus concerns hollow fibers and, more particularly, a hollow filament co-spun within another hollow filament composite fiber wherein spacing means is provided to separate the inner and outer filament walls and spinnerets for co-spinning such fibers.
		Spinneret for hollow fibers having curved spacing members projecting therefrom
	www.delphion.com /details?pn10=US04941812 (221 words)

	Fluent - Flow Modeling Examples - Non-Isothermal Flow Modeling of a Carbon Fiber Spin Pack
		POLYFLOW is capable of predicting the temperature rise due to viscous heating during high shear flow of mesophase pitch through the spinneret capillary.
		Typically, these spinnerets have an exit diameter of 150 mm and the wall shear stresses are in the range 2500 1/s to 7500 1/s.
		This study focuses on identifying flaws in spinneret design in terms of recirculation in the tapered spinneret capillary, while spinning the high temperature viscoelastic melt.
	www.fluent.com /solutions/examples/x222.htm (231 words)

	Polyester - Background, History, Raw Materials, The Manufacturing, Manufacturing Filament Yarn
		The solution is put in a metal container called a spinneret and forced through its tiny holes, which are usually round, but may be pentagonal or any other shape to produce special fibers.
		The number of holes in the spinneret determines the size of the yarn, as the emerging fibers are brought together to form a single strand.
		However, in the melt spinning process, the spinneret has many more holes when the product is staple fiber.
	www.madehow.com /Volume-2/Polyester.html (1324 words)


		Given information about the number of spinnerets a group of spiders has, the student makes a guess about the number of spinnerets a given spider from the group has.
		Multiple cards of pictures of spider spinnerets, as follows: nine with six spinnerets; six with four spinnerets; and two with eight spinnerets.
		The students take turns identifying the smallest and the largest groups using the appropriate terminology; they say that six is greater than two, but six is less than nine, and other similar comparisons.
	www.sedl.org /scimath/pasopartners/spiders/lesson7a1.html (518 words)

	spinneret - OneLook Dictionary Search
		Spinneret, Spinneret : InfoVisual Visual Dictionary [home, info]
		Most spiders have three pairs of spinnerets, but some have only two pairs.
		The ordinary silk line of the spider is composed of numerous smaller lines jointed after issuing from the spinnerets.
	www.onelook.com /?w=spinneret (244 words)

	Spinneretinc.com
		Spinneret is a turnkey sub-contract manufacturer specializing in cables, electromechanical assembly and wire harnesses.
		Spinneret has the capability to handle your manufacturing needs from design through production.
		Contact Us Copyright © 1998 Spinneret, Inc. (800) 776-5611 All Rights Reserved.
	www.spinneretinc.com (39 words)

	Tom Bradford for President: 08/01/2004 - 08/07/2004 (Site not responding. Last check: 2007-10-31)
		Other than the complete joy of working on the project itself, the last few years have been hellish, and I'm glad to see them end.
		As a result, Facets and Spinneret will be maintained solely by me, and not be associated with the dbXML Group...
		Probably good that they're just vapor at the moment, but Spinneret will be under active development soon.
	www.tbradford.org /archive/2004_08_01_index.html (545 words)

	spinneret.org - The Spinneret Project (Site not responding. Last check: 2007-10-31)
		Spinneret minimizes the query language's complexity, by adding more flexibility in the physical storage layer.
		All data in Spinneret structures are rigidly defined.
		We are in the process of drafting, and will be periodically updating documentation for the Spinneret database engine, query language, and APIs.
	www.spinneret.org (335 words)

	Morphology of a spider
		Fourth leg: fourth locomotive appendage of a spider in relation to its head.
		Spinneret: opening through which the spider emits its silk.
		Tarsus: last part of the leg of a spider.
	www.infovisual.info /02/051_en.html (128 words)

	Spinneret, Inc. (Site not responding. Last check: 2007-10-31)
		Spinneret offers a full range of solutions to meet your manufacturing requirements.
		It has experienced personnel to help you in all phases of manufacturing and engineering.
		Copyright © 1998 Spinneret, Inc. (800) 776-5611 All Rights Reserved.
	www.spinneretinc.com /why.html (131 words)

	Bibliography: Spinneret
		This work is licensed under a Creative Commons License.
		Spinneret (1985, Bluejay, 031294411X, $15.95, 339pp, hc) Cover: Doug Beekman
		Spinneret (1992, Baen, 0671655981, $4.99, 339pp, pb) Cover: Vincent Di Fate
	isfdb.tamu.edu /cgi-bin/title.cgi?22 (72 words)

	Fluent - Flow Modeling Examples - Spinneret for Bi-Component Fiber Extrusion
		Use of CFD provides detailed information on the influence of all associated fluid and process parameters.
		The figure shows one channel in the bi-component fiber spinneret.
		The red and blue represent the two polymers and the green represents the interface between the two.
	www.fluent.com /solutions/examples/x225.htm (115 words)

	Amazon.com: SPINNERET (Site not responding. Last check: 2007-10-31)
		Spinneret by TIMOTHY ZAHN (Paperback - Jul 16, 1987)
		Spinneret by Timothy Zahn (Mass Market Paperback - 1986)
		Spinneret Manufacturing -- Laser machining for spinneret maufacture.
	www.amazon.com /s?ie=UTF8&search-alias=aps&keywords=SPINNERET&page=1 (92 words)

	MICRO LAVORAZIONI INDUSTRIALI nano forature TOMASSINI Spinnerettes Nozzle Bcf Staple Fiber Monofilament Spinneret ...
		MICRO LAVORAZIONI INDUSTRIALI nano forature TOMASSINI Spinnerettes Nozzle Bcf Staple Fiber Monofilament Spinneret Nonwoven Apunbound Bcf Carpet Yarn Meltblown Jetstrip Bicomponent Acetate Spandex Spinpack
		"Trusting our proved experience in this sector and offering the client a full cooperation aimed at salving their problems, we are sure to be the right partner for all those who utilize spinnerets".
		TOMASSINI SPINNERETTES: Micro e nano lavorazioni industriali, Micro e nano forature industriali, Nozzle, Bcf spinneret, Staple Fiber, Monofilament, Nonwoven, Apunbound, Bcf, Carpet Yarn, Meltblown, Jetstrip, Bicomponent, Acetate, Spandex, Spinpack spinneret in Rieti near Rome capital of Italy.
	www.tomassinispinneret.it (94 words)

	Publishing 2005-2006 (Site not responding. Last check: 2007-10-31)
		The work will consist of about 700 species in three parts of which volume 1 is now available.
		Line drawings of mouth parts include spinneret and labial palps,
		The content of this book is 21 articles by the author earlier published in various journals.
	www.apollobooks.com /pub2005-06.htm (9400 words)

	Spinneret by Timothy Zahn Detailed Book Review
		Enter a book review or reviews online (click here) and make $5!
		In Timothy Zahn's Spinneret, Earth invents a stardrive and sets out to colonize the galaxy.
		The only problem is..someone else has gotten there first.
	www.allreaders.com /topics/info_559.asp (374 words)

	China Spinneret Manufacturers, Supplier, Company, Manufacturer, Factory, Exporter - Alibaba Search for Spinneret ...
		China Spinneret Manufacturers, Supplier, Company, Manufacturer, Factory, Exporter - Alibaba Search for Spinneret companies
		Subscribe for the latest Spinneret opportunities with Trade Alert!
		Copyright Notice © 1999-2006 Alibaba.com Corporation and its licensors.
	chinasuppliers.alibaba.com /gs/gsSearchResult.vhtml?IndexArea=company_en&SearchText=Spinneret&printFlag=true (63 words)

	2evolchp16
		A Spider has very unusual and specialized organs for producing the tiny thread which it uses for so many different things.
		The spinneret organs of the spider have hundreds of apertures through which silk and glue are extruded.
		In addition, a special oil gland has to be on each foot so it does not become stuck in its own web.
	www.evolution-facts.org /Ev-V2/2evlch16.htm (14556 words)

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