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Topic: Ferrule


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  What is ferrule? - a definition from Whatis.com
In fiber optic, a ferrule is a component (usually a rigid tube) used to align and protect the stripped end of a fiber.
A ferrule is used together with the connector that connects the fiber cable either to another cable or to a transmitter or receiver.
Ferrules can be made of glass, plastic, metal, or ceramic material.
searchnetworking.techtarget.com /sDefinition/0,,sid7_gci283976,00.html   (325 words)

  
  Ferrule - Wikipedia, the free encyclopedia
A ferrule (a corruption of Latin viriola "small bracelet," under the influence of ferrum "iron.") is a name for types of metal objects.
In fiber optic terminations, glass or plastic fibers are bonded to precision ferrules and polished for splitting or connecting two fibers together.
Not to be confused with a ferula, the Latin name of a plant, and of a punishment device used to hit a pupil on the palm of the hand or on the knuckles.
en.wikipedia.org /wiki/Ferrule   (314 words)

  
 Hose coupling ferrule and process   (Site not responding. Last check: 2007-10-30)
The hose ferrule as claimed in claim 6 wherein the body is made of iron-based powder and has a density of at least about 6.82 g/cc before the body is reduced in diameter and a density of at least about 7.30 g/cc when the body is reduced in diameter by at least about 25.8 percent.
The hose ferrule as claimed in claim 6 wherein powdered metal has a density that is at least 90 percent of the powdered metal's theoretical 100 percent compacted density before the body is reduced in diameter.
The hose ferrule as claimed in claim 9 wherein the ribs are longitudinally oriented with a longitudinal axis of the sleeve.
www.well.com /~youlee/railroad_switch_machine/hose_coupling_ferrule_process.html   (623 words)

  
 Method for forming a seam-rounded ferrule on jewelry and product made - Patent 5426843
The ferrule thus typically contains adjacently two cord portions, namely, a portion of the captured cord leading from the last one of the previously strung beads or the like and a cord portion adjacent the cord end, both of which portions must be secured together to stabilize and maintain the thus formed loop.
The resulting ferrule is subsequently compressed diametrically against both radially adjacent cord portions to form a cord securing fastener which, ideally, then immovably anchors or fastens the adjacent cords together with the terminal loop being fastened or retained to the connection member.
The seamed ferrule 50 is then compressed along an axis that is generally perpendicular to the seam 30B, thereby to compress and fold the indentation 30B radially and inwardly (relative to the seamed ferrule 50) as the jaw portions 16 and 18 are closed coactively to their closed position, as illustrated in FIG.
www.freepatentsonline.com /5426843.html   (6819 words)

  
 More Info...Ferrules   (Site not responding. Last check: 2007-10-30)
The first step in selecting a ferrule is to select the style that is appropriate for your application and specifically whether the ferrule is to be insulated or uninsulated.
Insulated ferrules are slightly more expensive; however, insulated ferrules “capture” strands that don’t get correctly inserted into the barrel, thereby reducing the possibility of a short between connections.
The ferrules are made of tin plated copper, and the insulation is a polyamide.
www.interpower.com /icl/ferrules_info.htm   (521 words)

  
 Rod Building -> Ferrule strength
I think what is happening is the ferrule has a greater diameter than the rod at that point, and just like in car and bicycle frames, tubing with a greater diameter can be made with a thinner wall and still have the same strength.
I’ve been making aluminum ferrules for about four years with no failures yet even though the tensile and yield strengths are less than nickel silver, and bamboo can’t be even close to the same tensile and yield strengths of metal, yet it looks like bamboo will make a very good ferrule too.
I hot glue the bamboo ferrule on a blank, put the rod together, grab the tip and bend it over to where the tip is pointing 180 degrees back opposite the way the handle is pointing.
www.rodbuildingforum.com /index.php?showtopic=13854   (1451 words)

  
 Fitting Ferrules by Hand   (Site not responding. Last check: 2007-10-30)
While the ferrule is still hot press it on to the cane station and align the tabs with the flats, you can use the side of your bench to press on the ferrule but be very careful.
Most male ferrules are.002" to.003" over the desired size, they also tend to be larger at the leading edge of the male ferrule...
Tape off the ferrule so only the slide area on the male ferrule is exposed, use the 220 grit to put a light general lapping on the ferrule, then switch to the 600 grit to smooth out.
www.bamboorodmaking.com /html/fitting_ferrules_by_hand.html   (1822 words)

  
 Calculating ferrule placement on a three-piece fly rod
Since the ferrule used for the tip/mid connection is shorter than the ferrule used at the mid/butt connection, you will have two different ferrule seating measurements for a three piece rod.
This is because a tip section bears only a male ferrule, which does not add anything to its overall length (other than the thickness of the moisture sealing cap at the end of the male ferrule itself, but this dimension should be no more than several thousandths of an inch).
Since we will be adding a female ferrule to the tip end of the mid section, we know that the ferrule will add.600" to its overall length, since.600" was the seating distance for the tip/mid female ferrule that we had measured earlier.
www.thomaspenrose.com /ferrule3.htm   (2186 words)

  
 Ferrule - Search for Ferrule Manufacturers and Suppliers from Taiwan, China and Worldwide - allproducts.com
Ferrule - Jui Ming Metal Industrial Co., Ltd.
Ferrule - Taiwan Fu Da Precision Co., Ltd.
I-Line Ferrules that CSE offers are made by forged or machined from solid bar.
www.allproducts.com /search/products/pC020210.shtml   (1067 words)

  
 Automotive blade-to-ferrule fuse adapter - Patent 5085600
The ferrule fuse socket, in particular, is usually a rectangular recess which most often comes in two relatively standard sizes, the first or large size being approximately 13/8 inch (in.) by 3/8 in., and the second or smaller size being approximately 7/8 in.
1 shows a ferrule fuse box assembly 15 which illustrates various fuse configurations and the use, interaction and differences between conventional glass ferrule fuses shown therein and the two embodiments of the automotive fuse adapters of the present invention which are also shown therein.
A conventional glass ferrule fuse 36 is shown in the standard larger ferrule socket 22.
www.freepatentsonline.com /5085600.html   (6739 words)

  
 ferrule - a Whatis.com definition   (Site not responding. Last check: 2007-10-30)
A ferrule (from Latin viriola, meaning little bracelet) is a ring or cap attached to an object to protect against damage, splitting, or wear.
In fiber optic, a ferrule is a component (usually a rigid tube) used to align and protect the stripped end of a fiber.
A ferrule is used together with the connector that connects the fiber cable either to another cable or to a transmitter or receiver.
whatis.techtarget.com /gDefinition/0,294236,sid7_gci283976,00.html   (191 words)

  
 Calculating ferrule placement on a two-piece fly rod
Secondly, when the rod is assembled, and the male ferrule is seated within the female ferrule, the rod should be its designated length (an 8 ft. 2 piece, for instance).
Since we will be adding a female ferrule to the tip end of the butt section, we know that the ferrule will add.800" to its overall length, since.800" was the seating distance for the female ferrule that we had measured earlier.
Prior to mounting the ferrules, you should measure the thickness of the moisture caps on your ferrules and subtract this from the length of each section by sanding it off of the ends of the blanks where the ferrules will be positioned at.
www.thomaspenrose.com /ferrule2.htm   (1901 words)

  
 U-40 Ferrule Lube
Ferrule Lube is designed to eliminate the frustration of sticking ferules, or worn and wobbly ferrules that have become loose because of excessive wear.
Ferrule Lube has no surface buildup, no interference with original tolerances and no tendency to collect dirt and grit.
Ferrule Lube is applied wet, but dries in a few seconds.
u-40.com /ferrulelube.html   (201 words)

  
 Ferrule Care - Spey Fishing - Quest Outdoors, Ltd.
Insert the swab into the ferrule as far as you can, press it against the inside wall of the blank and pull out.
If you look at a male ferrule you will notice that it's a little duller looking than the rest of the blank.
Place the wax gently against the blank at the base of the ferrule and rub towards the tip.
www.questoutdoors.net /skills/spey/articles/ferrulecare   (722 words)

  
 Polymicro Technologies > Catalog > X-Ferrule Technology
Historically, ceramic and glass ferrules have been used to hold and align the fiber.
These epoxies typically have a significantly higher coefficient of thermal expansion than both the fiber and the ferrule, and are not hermetic.
This ferrule has a special lower softening temperature layer on the inside of the ferrule which allows us to thermally weld the ferrule directly to the fiber, giving a strong, hermetic seal with minimal stress on the fiber.
www.polymicro.com /catalog/5_12.htm   (297 words)

  
 Washington Fly Fishing - DIY split cane ferrule repair
The ferrule section is probably over an inch and a half (I don't have it in front of me) and I expected that more cane would fit inside of it.
If it matters, these ferrules appear to be aluminum, with gold finish and the male part has a O-ring type deal on the end of it.
The first thing to try for the stuck ferrules is to make yourself a set of "ferrule pullers." Buy one of those pink rubber pads used to open jar lids, cut into two small sections, and use them to grip the rod sections while you pull them.
www.washingtonflyfishing.com /board/showthread.php?t=27477   (1131 words)

  
 Ferrule Installation
At this point the ferrule should be flush with the shaft.
This way the ferrule is the exact length down the shaft you need, you don't waste $$$ on a tool that is not needed and you have little mess.
If the ferrule is very tight, leave it on the shaft tip and warm it by rotating the shaft with your heat gun aimed at the ferrule for 3 - 5 seconds, then seat it with the hosel.
www.freegolfinfo.com /forums/tm.aspx?m=1104914   (653 words)

  
 Ferrule - Definition, explanation
A ferrule is a circular clamp used to hold together and attach fibers, wires or posts.
In a brush or quill ferrule binds the bristles or hair to the handle.
In fiber optic terminations, glass or plastic fibers are bonded to precision ferrules and polished for spliting or connecting two fibers together.
www.calsky.com /lexikon/en/txt/f/fe/ferrule.php   (330 words)

  
 Ferrule Fiber Optic Connectors
Ferrule is the most important component of fiber optic connectors.
Most of the ferrules used in optical connectors are made of ceramic material due to some of the desirable properties they possess.
Equipped with modern technologies and highly automated machines purchased from Japan, Taicera - a Marubeni Sunnyvale trading partner - is one of the nine main ferrule manufacturers in the world which can produce ferrule fiber optic connectors from ceramic powder and also the only one corporation capable of making ceramic ferrules in Taiwan.
www.marubeni-sunnyvale.com /ferrule_fiber_optic_connector.html   (208 words)

  
 "Ferrule Reinforcement - Week 179 Fly Angler's OnLine"
The idea here is to provide a bit of hoop strength for the ferrule, and to prevent a split out from occuring at the edge of the ferrule.
On spigot (plug) ferrules, both the male and female ferrules should be wrapped.
For years I settled on a formula having the length being twice the outside diameter at the ferrule opening and have an absolutely zero failure rate at the ferrule.
www.flyanglersonline.com /features/rodbuilding/tips/rt15.html   (598 words)

  
 ferrule slipping up?
Ferrules though can be REALLY tight and still slip up the shaft.
Use the flat edge of the knife against the top of the ferrule and gently try to hammer the ferrule back down the shaft.
And that was the head that moved, not the ferrule.
www.freegolfinfo.com /forums/tm.aspx?m=1279451   (655 words)

  
 What is ferrule effect? - Student Doctor Network Forums
A ferrule means "a metal ring or band around a slender shaft that prevents splitting".
The ferrule is the ring of metal that goes along the gingival margin of a crown or a core buildup.
The ferrule effect is not between crown and tooth structure (your drawing make the ferrule effect look like the margin) but between tooth structure and post and core.
forums.studentdoctor.net /showthread.php?t=185186   (1170 words)

  
 SGE Chromatography Products - Technical Information - Troubleshooting and Training - Ferrule Selection Guide   (Site not responding. Last check: 2007-10-30)
The metal SilTite ferrule and nut are made from the same material and therefore have the same thermal expansion coefficient.
The base of the SilTite ferrule is flat and forms a perfect seal with the MS interface, covering the whole transfer interface.
Unlike graphite VespelĀ® ferrules that are nearly impossible to remove from the nuts after use, SilTite ferrules are easily removed from the specially designed nut while still attached to the capillary column.
www.sge.com /htm/support/product_selection/prod_sel_ferrules.asp   (263 words)

  
 Angled optical connector ferrule   (Site not responding. Last check: 2007-10-30)
grinding the end face of the ferrule at a first angle relative to an axis of said ferrule, with the axis of the ferrule being oriented at said first angle relative the normal to a grinding surface;
forming a curved portion having a radius on the end face of the ferrule with the grinding surface wherein initially an axis of the optical fiber and a vertex of the radius are offset from each other; and
The method as claimed in claim 5 wherein the step of grinding material from the one side of the ferrule having the larger chamfer includes tilting the ferrule to a second angle relative to the normal to the grinding surface wherein said second angle is different from said first angle.
www.well.com /~ulee/ltb4_synthesis_inhibitors/angled_optical_connector_ferrule.html   (385 words)

  
 Fly Anglers On Line Bulletin Board :: View topic - Ferrule Removal
Pins can be especially hard to find on nickel/silver ferrules because most of the pins have been filed off to the level of the ferrule and then polished out, rendering the pin almost invisible.
Most ferrules were pinned on only one side however some have a pin that runs all the way through.
On a ferrule that has been pinned all the way through, the pin should be driven in only far enough to allow it to be pulled out from the opposite side.
www.flyanglersonline.com /bb/viewtopic.php?p=57269   (546 words)

  
 Ferrule
Ferrule may be part of a connector or mechanical splice.
The ferrule is a rigid tube used to confine and support the stripped end of a fiber as found in connectors.
Ferrule: Image of a ferrule at the end of a fiber optic cable.
www.timbercon.com /Ferrule.html   (104 words)

  
 Ferrule - LoveToKnow 1911
FERRULE, a small metal cap or ring used for holding parts of a rod, andc., together, and for giving strength to weakened materials, or especially, when attached to the end of a stick, umbrella, andc., for preventing wearing or splitting.
The word is properly verrel or verril, in which form it was used till the 18th century, and is derived through the O. Fr.
This page was last modified 05:37, 3 Sep 2006.
www.1911encyclopedia.org /Ferrule   (148 words)

  
 Dufferin fibre ferrule question - Forums powered by UBB.threads™
I have heard that the fibre ferrule (oil base) Dufferin use doesn't adhere well to most glues and that the tip keeps popping off.
Rather it is the fact that fiber ferrules swell or shrink with changes in relative humidity.
This eventually causes the ferrule to come loose from the tenon, and sometimes can cause the tip to loosen from the ferrule.
www.billiardsdigest.com /ccboard/showflat.php?Cat=&Board=ccbboard&Number=1381&page=7&view=collapsed&sb=6&o=&fpart=1   (340 words)

  
 DATA-PIXEL - Industrial Vision Solutions - 11, route de la salle - 74960 Cran-Gevrier - France
Once the 3D surface profile of a ferrule end-face is measured using interferometry, numerical analysis enables an effective, fast and automatic calculation of key geometric parameters of the ferrule end-face such as the Radius of Polishing, the Polishing Apex Offset (polishing eccentricity) and the Fiber Height (undercut).
With this module, KONCENTRIK measures the eccentricity of the fiber core with respect to the ferrule outer envelope of a connector with a 0.15µm precision.
Other measured values are the angular position of the bore with respect to the connector key (tuning applications), the bore diameter and non-circularity errors of both the ferrule outer envelope and the ferrule bore.
www.data-pixel.com   (756 words)

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