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Topic: Jointing


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  Jointing (sharpening) - Wikipedia, the free encyclopedia
The purpose of jointing is to ensure that all surfaces to be sharpened are of a consistent size and all imperfections have been removed.
Circular saw blades are jointed prior to sharpening so that all teeth protrude from the blade the same distance from the centre.
Jointing is usually carried out infrequently as it removes a lot of material from the edge of the blade.
en.wikipedia.org /wiki/Jointing_(sharpening)   (211 words)

  
 Jointing structure of rotor and shaft - Patent 5158390
A rotor and shaft jointing structure as set forth in claim 1, wherein the diameter of said through hole is 15-20 mm and the outside diameter of said humps is larger by 50-100.mu.m than the diameter of said through hole.
The present invention relates to a jointing structure of a rotor and a shaft which is suitable for jointing, for example, a rotor for use in a cooling medium compressor, and more particularly to a jointing structure, in which a rotor and a shaft can be firmly jointed.
Above all, the jointing structure obtained by press fitting the shaft 3 with the hump portion 4 formed thereon into the rotor 1 made of Al alloy formed by a powder extrusion, was confirmed to have a significantly large strength.
www.freepatentsonline.com /5158390.html   (4401 words)

  
 Metal connector for wooden building and jointing structure of wooden building using the same - Patent 5061111
A jointing as claimed in claim 6, wherein said connecting means includes a mounting plate secured to the other longitudinal end of said core plate of said metal connector body, and suitable numbers of fastening bolts and nuts for securing said metal connector body to said second wooden member.
Two pairs of depressions 24 are formed on the longitudinal end face 23 of the jointing end portion 17 of the beam 12 for receiving therein the fastening nuts 16 screwed on the projected ends of the fastening bolts 15 from the bottom of the recess 13 of the column 11.
The jointing structure is similar to the jointing structure between a pair of beams in a serial direction using the metal connector of the second embodiment shown in FIGS.
www.freepatentsonline.com /5061111.html   (3559 words)

  
 Columnar Jointing
Columnar jointing forms in lava flows, sills, dikes, ignimbrites (ashflow tuffs), and shallow intrusions of all compositions.
Joints formed perpendicular to the isotherms as the rock cooled.
Spry, A., 1962, The origin of columnar jointing, particularly in basalt flows: Journal of the Australian Geological Society, v.
volcano.und.nodak.edu /vwdocs/vw_hyperexchange/col_joint.html   (1020 words)

  
 Method of jointing textile belting or webbing - Patent 4185718   (Site not responding. Last check: 2007-09-18)
A method of jointing textile belting or webbing having a moisture content of at least 5% by weight according to claim 1 in which the polyisocyanate is selected from the group of 2,4 tolylene diisocyanate, m-phenylene diisocyanate, 1,5 naphthalene diisocyanate, or triphenyl methane triisocyanate.
A method of jointing textile belting or webbing having a moisture content of at least 5% by weight according to claim 1 in which the liquid castable mixture is cured by heating at a temperature and for a period in the range 120.degree.
Such a joint has a longer life than one of polyvinyl, but disadvantages are that the polyurethane compound disclosed therein is sensitive to moisture so that the ends of the belting have to be dried before joining.
www.freepatentsonline.com /4185718.html   (2569 words)

  
 Basalt - Wikipedia, the free encyclopedia (via CobWeb/3.1 planetlab1.tamu.edu)   (Site not responding. Last check: 2007-09-18)
Maar volcanoes are typical of small basalt tuffs, formed by explosive eruption of basalt through the crust, forming an apron of mixed basalt and wall rock breccia and a fan of basalt tuff further out from the volcano.
Pentagonal, heptagonal or octagonal joint patterns are also known, but are less common.
Perhaps the most famous basalt flow in the world is the Giant's Causeway on the northern coast of Ireland, in which the vertical joints form hexagonal columns and give the impression of having been artificially constructed.
en.wikipedia.org.cob-web.org:8888 /wiki/Basalt   (1961 words)

  
 Paving Expert - AJ McCormack and Son - Pointing and Jointing for Paving
This is a method rarely used to seal the joints between flags except on larger scale projects, when conditions favour its use, but it is a fairly common technique for jointing setts and cubes, which can have several linear metres of joint per square metre of paving.
As was mentioned earlier, this method of jointing is a useful technique on pavements that have a few loose elements, as the slurry seeps into places a normal mortar would never reach, filling voids and replacing lost bedding, and, hopefully, stabilising the pavement without having to undertake a complete "lift and re-lay" exercise.
Once all the joints are filled, some contractors prefer to sprinkle the area with a fine spray to dampen the mixture within the joints, but we find this tends to splash some of the mix onto the paving surface.
www.pavingexpert.com /pointing.htm   (2895 words)

  
 Paving Expert - AJ McCormack and Son - Laying Setts - Jointing Methods
A loose filled joint is not an effective deterrent to weeds, and is not recommended for sett work where joints of 10mm or greater are anticipated.
For sawn setts, a kiln-dried jointing sand, as sold for jointing block paving, is normally used, but for sett pavements using fair picked or other non-regular setts, a crushed rock aggregate approximately 4mm down to dust is normally used.
It is common for the jointing material to settle over the first few months and so it is essential that the pavement is inspected every 3 months or so and has the joints topped up as and when required.
www.pavingexpert.com /setts05.htm   (2047 words)

  
 Jointing   (Site not responding. Last check: 2007-09-18)
Jointing details should be included in the construction drawings.
Designing a jointing plan for a pavement application is more of an art than a science.
An ideal jointing plan should be economical to build, provide sensible locations for the pavement to crack, and look good.
www.rinkermaterials.com /ProdsServices/Concrete/Jointing.shtml   (350 words)

  
 The Jointing Stage
Chlorophyll, protein, and most of the vitamins found in cereal grasses reach their peak concentrations in the period just prior to the jointing stage of the green plant.
The jointing stage is that point at which the internodal tissue in the grass leaf begins to elongate, forming a stem.
We harvest the top few inches of the plant on the left, before the jointing process is complete, ensuring maximum nutritional value in the final product.
nutrigrass.com /jointingstage.htm   (281 words)

  
 (VENEER) EDGE JOINTING
Edge Jointing Veneer If you are new to veneering, I suggest you read the documents on selecting and cutting veneer back on my homepage before you read this document.
If you are going to work with narrow sheets of veneer that have to be jointed together, make sure that you purchase the sheets in consecutive order as they were cut from the log this way the grain pattern and figure will match when you join the pieces together.
Make sure the two edges that are to be jointed are just slightly projecting out of the side of the jig that you jointed with your hand plane or jointer.
www.antiquerestorers.com /Articles/SAL/venjoint.htm   (838 words)

  
 jointing sheet,compressed asbestos fibre,asbestos clutch facing manufacturers and jointing sheets,compressed asbestos ...
we are a major shareholder of three subsidiary companies that specialize in manufacturing jointing sheet, compressed asbestos fibre, asbestos clutch facing, jointing sheets, compressed asbestos fibres, asbestos clutch facings, fiberglass, asbestos, graphite, ptfe and sealing gaskets and sheets.
Suitable as a jointing medium on heating installations and low pressure water and steam pipelines.
J307 CAF jointing sheet with metallic wire and J307-2 with graphited are also available.
www.web-marketings.com /1/72_jointing_sheet.htm   (227 words)

  
 Jointing on the Routertable
Jointing is the first step in the material prep sequence.
The are several real advantages to using the routertable including its accessibility to anybody with a routertable, ease of setup and the ability to use cheap carbide straight bits.
Routertable jointing is facilitated with a split fence.
www.patwarner.com /routertable_jointing.html   (346 words)

  
 Structural Geology Notebook - Columnar Jointing   (Site not responding. Last check: 2007-09-18)
Joints are fractures in rocks, and columnar joints are a specific type of joint pattern.
Columnar joints contain aspects of both petrology and structural geology, but the discussion will address only the structural aspect.
Columnar joints are defined as parallel, prismatic columns in basaltic flows and sometimes other rocks, and this specific pattern is a result of cooling (Bates and Jackson, 1984).
maps.unomaha.edu /Maher/geo330/julia1.html   (259 words)

  
 Taping and Jointing
The joints on the walls and ceilings have a self adhesive glass fibre tape stuck between the two bits of plasterboard.
Apply a coat of jointing compound into the joint pushing it through the woven tape and almost flush with the face of the plasterboard.
I've found it is essential to keep the edges of the spatulas clean because the slightest piece of dried compound leaves a score mark down the joint.
radio.weblogs.com /0136203/2005/06/Taping-and-Jointing.html   (479 words)

  
 Jointing and Assembling
A simple joint can be made by a straight stitch across each limb at the torso joint.
Separate arms can be jointed by simply sewing the top of the arm to the proper position on the outer edge of the shoulder.
This is purchased plastic two part jointing discs that are inserted in the upper arm before they are stuffed.
www.suite101.com /article.cfm/fabric_arts_and_cloth_dolls/109134   (564 words)

  
 Welcome to Adobe GoLive 4
Joints are opening-mode fractures formed as a consequence of brittle deformation of rock masses in the Earth's crust.
Joints serve as indicators of local stress field orientations because their paths are always perpendicular to the local maximum tensile (minimum compressive) stress.
Fluid flow along natural joint networks plays an important role in aquifers and hydrocarbon reservoirs, and is a major concern for the stability of engineering sites.
pangea.stanford.edu /research/geomech/Research/Jointing.html   (847 words)

  
 Hiker's Notebook: Columnar Jointing   (Site not responding. Last check: 2007-09-18)
Columnar Jointing: A geologic feature that consists of a three-dimensional network of fractures that occurs in cooling lava that forms parallel, prismatic columns.
The unusual appearance of columnar jointing caused many early observers to postulate theories as to its origin.
Studies of the relationship between desiccation rate and structure revealed that there is a critical rate for columnar jointing to occur.
mwrop.org /W_Needham/ColumnarJointing_041212.htm   (312 words)

  
 Columnar Jointing, Alaska Science Forum
Columnar jointing at the Devil's Post Pile National Monument in California and a miniature display found by David Stone near Healy, Alaska.
At the same time, joints form perpendicular to, or across, the axis of the columns.
Cliffs of nearly perfect vertical columns rise almost 100 feet in places, flanked by areas where the "posts" appear to have been bent and overturned like a forest of wind-felled trees or a pile of jackstraws.
www.gi.alaska.edu /ScienceForum/ASF6/683.html   (411 words)

  
 Industrial Reporting, Inc. Article - Finger Jointing!
As finger jointing evolved and proved itself as a viable means of converting short stock into stable products, other sectors of the wood products industry took advantage of this technology.
The other barrier is that without an existing criteria established for producing finger jointed pallets, it appears that the combined manufacturing sector, trade association and research arms of this industry are skeptical of finger jointing as a viable solution to the waste problem.
A few finger jointed pallets have been sighted in practice, but the potential is all in the future at this time, just waiting for progressive pallet companies to participate.
www.palletenterprise.com /articledatabase/view.asp?articleID=632   (1675 words)

  
 Taping And Jointing   (Site not responding. Last check: 2007-09-18)
All Lafarge jointing compounds finish white, are exceptionally smooth to work with, and easy to sand for a very fine finish.
Jointing compound for air-drying applications for bedding tape and finishing joints by Premier or similar mechanical taping tools or by hand.
Predeco Joint Cement is an air-drying compound and MUST be used for the final coat of the jointing process as only Predeco Joint Cement provides the same absorption as Predeco and Megadeco boards.
www.southerndrylining.co.uk /tapeandjoint.html   (497 words)

  
 Finger Jointing
Finger jointing lumber for both structural and non-structural uses has proven to be very successful over the years, and is now fully sanctioned by the building and lumber industry and trade organizations associated with these industries.
When a finger jointing operation is performing correctly and a good product is being produced, many of the important things that make it all possible are lightly regarded and taken for granted.
Since finger joints usually involve the use of an adhesive, a common and easy explanation for failure is that the adhesive is no good.
www.woodweb.com /knowledge_base/Finger_Jointing.html   (1405 words)

  
 Jointing moulder knives
During the jointing process, the knives end up with a smaller cutting circle on the side the jointer indexes on.
The jointing stone depends on the type of carbide being used.
At present, new knife materials, which are easier to joint and grind, are being developed that may replace the need for carbide in many applications.
www.woodweb.com /knowledge_base/Jointing_moulder_knives.html   (654 words)

  
 The Wheat Grass People
Laboratory analyses clearly indicate that the nutrients found in young green cereal plants vary with the stage of growth, rather than with the age or height of the plant.
After the jointing stage, the stem forms branches and continues to elongate.
The mature cereal plant holds the seed grains which contain the nutrients necessary for germination and early growth of the young cereal plant.
www.wheatgrass.com /faq/factsheets/jointingstagefactsheet.php   (225 words)

  
 Table Saw Jointing Jig - NewWoodworker.com LLC
The table saw jointing jig is actually a sled with a straight face on one side that rides against the fence and a bed on the other side to which a crooked piece of wood can be secured.
When the sled is pushed through a table saw the straight side of the jig follows the fence, moving the crooked edge through the blade in a perfectly straight line.
Rather than remove large amounts of wood on the jointer, the wood can be quickly straightened on the table saw before cleaning up the edges with a single pass on each edge on the jointer.
www.newwoodworker.com /tsjointjig.html   (1207 words)

  
 Help Jointing 6 foot long boards - Canadian Woodworking Forum
I feel for ya man, jointers that don't joint are a pet peeve of mine.
As Mike says if you are jointing with the bowed face down [as you should] you have to end up with a board thicker in the center and you need to select the straightest boards for long pieces.
The one technique issue is to be careful that you are not "pushing" the mid point of the board down while jointing.
www.canadianwoodworking.com /forum/showthread.php?t=6451   (809 words)

  
 Ericsson Jointing Cabinets
Available for indoor and outdoor use, the jointing cabinets are designed for easy access and good protection of any joints between Ribbonet® EPFU fibers and fiber optic cable including the Micronet cable.
Fiber jointing cabinet type NCD 518 8000 is exclusively designed for Ribbonet® blown fiber installations and changeover from fiber ribbons emerging from microducts to all types of fiber optic cables up to 20 mm.
The cabinet is made of hot-galvanized sheet metal and is intended for outdoor use in harsh environments with high requirements on durability.
www.ericsson.com /products/hp/Jointing_Cabinets_pos.shtml   (129 words)

  
 Ledinek Worldwide :: Products :: Finger-jointing lines
Entire machinery for compact finger jointing lines with integrated press or high performance continuous finger jointing lines with cyclical or continuous roll press can be found in our own product range.
Finger joints are formed perpendicular to broadside of the workpiece.
Finger jointing line can be used for production of constructional timber as well as for finger jointing of lamellas for laminated beams, Duo and Trio beams.
www.ledinek.com /en/product/05/index.html   (158 words)

  
 The Unique Rock Formations of Joshua Tree NP - DesertUSA at Joshua Tree NP - DesertUSA
Another set of joints is oriented vertically, roughly paralleling the contact of the monzogranite with its surrounding rocks.
Good examples of the joint system may be seen at Jumbo Rocks, Wonderland of Rocks and Split Rock.
As ground water percolated down through the monzogranite's joint fractures, it began to transform some hard mineral grains along its path into soft clay, while it loosened and freed grains resistant to solution.
www.desertusa.com /magdec97/rock/rockpile.html   (514 words)

  
 Cabling & Jointing Committee   (Site not responding. Last check: 2007-09-18)
The Cabling and Jointing Committee was formed in 1989.
The level at which a company is denoted as being a major cabling contractor is set at a registered labour force of 25 operatives although this in no way prevents any Members of the Register from being approached or tendering for any size contracts available.
The Cabling and Jointing Committee circulates a News Sheet after each Committee Meeting to give the Members of the Register an overview of discussions and actively encourages the Members of the Register to participate in formulating procedures.
www.jib.org.uk /comm1.htm   (473 words)

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