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Topic: Conical bore

	Conical vs Cylindrical Bores (Site not responding. Last check: 2007-10-06)
		For a cylindrical bore, the amplitude of the pressure variations for resonant modes are well described by sine waves.
		For a conical bore, the amplitude of the pressure variations are not simple sine waves, but are described by sin(x)/x, where x represents a distance (in appropriate units) along the cone, and x = 0 is the apex.
		To a first approximation, the clarinet can be considered as having a cylindrical bore closed at one end (by the reed/mouthpiece), whereas a saxophone has a (truncated) conical bore (with the apex near the mouthpiece).
	www.phy.mtu.edu /~suits/conecyl.html (419 words)

	HORN - LoveToKnow Article on HORN (Site not responding. Last check: 2007-10-06)
		In the case of conical tubes in which the difference in diameter at thi two extremities, mouthpiece and bell, is very great, as in th horn, the pitch of the tube will he slightly higher than its theo - retical length would warrant.4 When, for instance, three tub~ of the same length are soundedNo.
		The latter necessitate lateral holes bored through the tube, and when the keys are raised the vibrating column of air within the tube and the ambient air without are set in corninunication, with the result that the vibrating column is shortened and the pitch of the note raised.
		In the horn the cup of the mouthpiece is shaped like a funnel, the bore converging insensibly into the narrow end of the main conical bore without break or sharp edges as in the mouthpieces, more properly known as cup-shaped, of trumpet and bombardon.
	61.1911encyclopedia.org /H/HO/HORN.htm (12971 words)

	Segmented ring-nut for gasketed pressure vessel opening - US Patent 6666637 (Site not responding. Last check: 2007-10-06)
		The segmented nut has a conical upper surface to mate with a corresponding surface of the conical bore when the stud is threaded through the internal thread of the nut and a load is applied.
		The conical bore 126 is adapted to receive the nut parts 100a, 100b of a segmented nut used to secure a threaded stud 20.
		The tapered surface 128 of the conical bore 126 is shaped to correspond to the tapered surface 110 of the nut 100 formed by nut parts 100a, 100b.
	www.patentstorm.us /patents/6666637.html (2500 words)

	Conical vent containing capillary bore - Patent 4806032
		A conical vent (14) for a cartridge (10) is located on an inner surface (20) of the cartridge.
		Since the second conical member is placed within a recess 54 formed in the outer surface of the cartridge, any liquid blown out of the opening 32 should stay within the recess and away from the outer surface of the cartridge.
		The conical vent with its capillary traps and upright walls is expected to find use in ink cartridges used for high speed printing equipment, such as ink jet printers.
	www.freepatentsonline.com /4806032.html (4294 words)

	JNL 3: GRAPHING THE BASSOON BORE
		Bore graphing can be a very interesting and useful means of studying the physical characteristics of an instrument.
		The bore graph, actually a series of six segment graphs representing each of the individual body bore parts of the bassoon plus the U-tube, illustrates general largeness or smallness of the bore as well as the fluctuation of the rate of conical expansion.
		Bore alterations based solely upon the comparison of bore graphs with one another would have to be considered experimental, and such work should not be undertaken lightly.
	www.idrs.org /publications/Journal/JNL3/bore.html (1102 words)

	MIG welding gun contact tip changing tool - US Patent 5974917 (Site not responding. Last check: 2007-10-06)
		When such a tube, having a milled conical bore, is driven forward by manual pressure over the exemplary contact tip having a 0.313 inch outside diameter, the forward end of the contact tip contacts the inner surface of the conical bore approximately midway between the conical bore's forward and rearward ends.
		After such tool having such a conically bored forward end is utilized to remove a contact tip from a MIG welding gun, the tip remains lodged within the conical bore of the tool and is difficult to remove by simply manually pulling on the contact tip.
		Preferably, the conical bore 10 has a forward inside diameter approximately 0.012 inches greater than the outside diameter of the contact tips to which the tool is to be applied.
	www.patentstorm.us /patents/5974917.html (2435 words)

	Encyclopedia: Cornet
		Unlike the trumpet, most of the tubing of which has a cylindrical bore, the tubing of the cornet has a mostly conical bore, starting very narrow at the mouthpiece and gradually widening towards the bell.
		The conical bore of the cornet is primarily responsible for its characteristic warm, mellow tone, which can be distinguished from the more penetrating sound of the trumpet.
		The conical bore of the cornet also makes it more agile than the trumpet when playing fast passages.
	www.nationmaster.com /encyclopedia/Cornet (1139 words)

	MSN Encarta - Flute
		Made in one piece, these flutes had a cylindrical bore and six fingerholes.
		The flute was redesigned in the late 1600s by the Hotteterre family of French woodwind makers.
		They built it in three sections, or joints, with one key and a conical bore tapering away from the player.
	uk.encarta.msn.com /encyclopedia_761574400/Flute.html (457 words)

	The Conn Loyalist
		Graph "A" shows a large bore, conical instrument: the resistance starts out low due to the large bore, and doesn't increase very much as the air pressure applied by the player increases due to the large taper of the bore.
		Graph "C" shows a small bore, conical instrument; initial resistance is higher than it is on the large bore instrument, but doesn't increase very much because of the large taper.
		Eventhough the internal bore and taper of the 36B and 38B are the same, the 36B will require more effort to produce the same volume of sound as the 38B since it has a smaller bell.
	www.xs4all.nl /~cderksen/ConnArticle8.html (1229 words)

	flutehistory.com: technology
		It is the bore's degree of taper and how regularly or irregularly it contracts that determine the basic visual and acoustic proportions of the instrument: the length of the tube, and the size, position and undercutting of the toneholes.
		For at least the first sixty years of the eighteenth century all makers were experimenting with the bore, in conjunction with other aspects of the flute: the size, undercutting and spacing of embouchure and toneholes, and the materials and wall thickness of the tube.
		Two surviving instruments with slightly conical bore and a single key prefigure the arrival of the true conical bore: an anonymous one of unknown origin (Puglisi 1984), and one by Richard Haka (Amsterdam: 1646-1705) (Solum 1993).
	www.flutehistory.com /Resources/Documents/technology.php3 (5593 words)

	Bore (Site not responding. Last check: 2007-10-06)
		The diameter of the tube of a woodwind or brass instrument.
		The shape of the bore in part dictitates the timbre or tone color of the instrument.
		A conical bore instrument, in which the bore grows larger throughout, such as the cornet, produces a mellow timbre while a cylindrical bore instrument, such as the trumpet, which has a constant bore until the flare of the bell, produces a brighter, more brilliant timbre.
	www.music.vt.edu /musicdictionary/textb/Bore.html (72 words)

	Dayton C. Miller Flute Collection: Fife vs. Band Flute (Site not responding. Last check: 2007-10-06)
		The fife, most accurately described, is any cylindrically bored transverse flute, usually in one piece (but sometimes two), usually somewhat longer than the piccolo and having only six fingerholes with no keys.
		It is usually in a flat key and intended for use in wind ensembles composed mostly of transposing instruments, including, of course, the flute band consisting exclusively of such flutes with percussion.
		Oddly enough a conical bore is more likely in this Germanic case, and supports the view that confusing nomenclature was not necessarily confusing to the users or of concern to the listeners.
	memory.loc.gov /ammem/dcmhtml/fife.html (417 words)

	Device for connecting a dental implant to a conical secondary element - Patent 5882200 (Site not responding. Last check: 2007-10-06)
		The transition between the base cone 81 and the conical pillar 83 is situated at the level of the inner edge 15 of the implant shoulder 14.
		The groove 831 in the underside of the conical pillar 830 is made to be at least sufficiently deep for the inner edge 15 of the implant shoulder 14 not to butt against the limits of the groove 831 over a tolerance range to be observed.
		At the exit of the threaded bore 840, on the side of the conical-pillar shoulder 850, it is possible to provide a countersinking 841, into which the cylindrical shank segment of an optionally screwed-in plug-in anchor partially engages.
	www.freepatentsonline.com /5882200.html (3570 words)

	Chiff and Fipple Forums :: View topic - Getting conical
		The conical bore of a simple system flute also corrects the tuning problem, and it allows the two lower holes to be spaced closer together.
		Originally, making flutes conical enhanced intonation from the earlier cylindrical flutes and fifes from the bottom octave to the 2nd and even third octave, and was a great improvement in sound overall -- this was true in recorders as well, going from cylindrical to conical.
		Irish music is generally played on classical-based, conical wooden flutes, further tweaked to get sounds that, with proper embouchure, is recognized as "Irish." These flutes are also quite capable of playing other musical genres (since it evolved for/during the classical period), as is the Boehm for a variety of musical forms.
	chiffboard.mati.ca /viewtopic.php?t=10163 (1043 words)

	The Conn Loyalist
		In brass instruments, several variables determine this color, such as the size of the bore, the degree to which the bore is conical, the material the instrument is made of and the total weight of the instrument.
		The initial bore size at the mouthpiece is determined by the outer diameter of the mouthpiece, which is the same for all instruments of a certain type.
		However, the small bore is offset by the fact that the 38B, for a trumpet, is a pretty conical instrument.
	www.xs4all.nl /%7Ecderksen/ConnArticle5.html (1200 words)

	Saxophone - infoweb (Site not responding. Last check: 2007-10-06)
		The saxophone's body is effectively conical, giving it properties more similar to the oboe than to the clarinet.
		However, unlike the oboe, whose tube is a single cone, the saxophone is a combination of four conical sections, and is not in fact a cone.
		The wide bore of the saxophone means that the larger saxes are extremely large and heavy.
	www.infoweb.co.nz /158.html (1425 words)

	Classical Bores I have known
		We expect a more-or-less conical bore, which starts at a diameter a little less than the head bore (which is normally close to 19mm).
		A very straightforward bore, probably because of the logical layout and uniform size of the finger holes.
		The hallmark bore expansions at the joints are still evident in this very late (1898) flute.
	www.mcgee-flutes.com /bores.htm (395 words)

	Clarinets with conical bore - Wikipedia, the free encyclopedia
		Search for Clarinets with conical bore in other articles.
		Look for Clarinets with conical bore in Wiktionary, our sister dictionary project.
		Look for Clarinets with conical bore in the Commons, our repository for free images, music, sound, and video.
	en.wikipedia.org /?title=Clarinets_with_conical_bore (125 words)

	Introduction to saxophone acoustics (Site not responding. Last check: 2007-10-06)
		First, we shall pretend that it is a simple conical pipe---in other words we shall assume that all holes are closed (down to a certain point, at least), that the bore is conical, and that the mouthpiece end is completely closed.
		At left is a schematic of a soprano saxophone, an idealised conical bore and a truncated cone.
		This is due to the 'friction' of the moving air against the inside of the instrument (technically, the viscous and to a smaller extent thermal losses in the boundary layer).
	www.phys.unsw.edu.au /%7Ejw/saxacoustics.html (5492 words)

	Harmonics - cylindrical and conical bores (Site not responding. Last check: 2007-10-06)
		The oboe (right) is nearly conical (as are the saxophone and bassoon).
		For the conical tubes (oboe et al) we also want a zero at the bell and a maximum at the reed, but we have to fit waves of the form (1/r).sin and (1/r).cos.
		So for the conical bore, solutions to the wave equation are expressed in terms of spherical harmonics.
	www.phys.unsw.edu.au /~jw/pipes.html (1109 words)

	Woodwind Instruments
		Wave motion of interest in the study of musical instruments within a conical bore is primarily spherical and along the principal axis of the tube.
		A musically useful conical bore must be truncated to some extent, in order to attach a driving mechanism to the small end.
		The effective length of a bore with open tone holes is found to vary with frequency.
	ccrma.stanford.edu /CCRMA/Courses/150/woodwinds.html (859 words)

	Hip prosthesis - Patent 4115875
		The active member has a conically shaped projection with a threaded end which matches the bore in the base and which is screwed in the base to effectively lock the active member to the base.
		It is an object of the present invention to overcome this disadvantage of an oversize collar to accommodate a tightening bolt of large cross section.
		Above this threaded bore is a conical bearing surface whose profile matches the smooth part of the radial projection of the active organ.
	www.freepatentsonline.com /4115875.html (1014 words)

	Untitled Document (Site not responding. Last check: 2007-10-06)
		The bore of the instrument is essentially the width and shape of its main tubing.
		Conical Bore is where the bore is narrower in diameter at the top of the instrument than at the bottom, and Cylindrical Bore is when the width stays the same until the bell of the instrument.
		This is a brass-wind of conical bore, usually in the key of B flat, with a single coil.
	www.students.arts.gla.ac.uk /0304mad/0005259/project/html/5.Further%20Information/Glossary/Glossary.htm (1336 words)

	4aMU5 Input response of cylindrical and conical bores with a single tone (Site not responding. Last check: 2007-10-06)
		Input response of cylindrical and conical bores with a single tone hole: Measurements and predictions.
		The cylindrical bore had length 920 mm and radius 7.2 mm, and the conical bore had length 630 mm, entry radius 6.5 mm, and exit radius 12.5 mm.
		The measured and predicted resonance frequencies for the cylindrical bore agreed to within 6(plus or minus)6 cents and for the conical bore agreed to within 23(plus or minus)18 cents.
	www.auditory.org /asamtgs/asa93dnv/4aMU/4aMU5.html (222 words)

	A Guide to the Instruments (Site not responding. Last check: 2007-10-06)
		However, the tubing on a flugelhorn expands in size more rapidly than a cornet's and the resulting tone is considered a bridge between the cornets and the lower-pitched instruments in the band.
		Because the pitch of a trombone is changed by a slide rather than valves, the tubing is the same diameter, in contrast to other instruments in the brass band that have conical tubing that gradually enlarges from the mouthpiece to the flared bell.
		Percussion instruments include not only the bass, snare and kettle drums (the kettle is pictured), but such things as triangles, whistles, woodblocks and cymbals.
	www.gabbf.com /abb/instrume.html (447 words)

	Some significant dates and developments
		The new flute had a conical bore and one key for the little finger of the right hand.
		Changes in the bore (whether keys were used or not) produced brighter sounding flutes (particularly in Germany) and flutes with easier high notes (particularly in France), while bore changes plus larger tone holes and the use of keys produced louder flutes (particularly in England).
		Late in the 19th century, highly mechanized conical models were introduced that were louder and more even, in order to compete with the Boehm flute.
	www.oldflutes.com /summary.htm (962 words)

	Clarinet Sounds (Site not responding. Last check: 2007-10-06)
		A clarinet is an example of a cylindrical bore instrument closed at one end.
		This contrasts to the saxophone or oboe, which have a conical bore and hence include the even harmonics.
		The absence is even harmonics is (part of) what is responsible for the "warm" or "dark" sound of a clarinet compared to the "bright" sound of a saxophone.
	www.phy.mtu.edu /~suits/clarinet.html (271 words)

	Hobbies - Playing the Recorder
		They have a cylindrical bore which yields a robust tone with a strong low register but a limited upper range.
		From left to right there is a sopranino in F, soprano in C, and alto in F. The instrument on the right is a Baroque alto recorder in F made of African flwood.
		It has a reverse conical bore which greatly extends the upper register but yields a weak tone quality in the lower range.
	www.mnu.edu /~tbaldrid/recorder.html (217 words)

	[No title] (Site not responding. Last check: 2007-10-06)
		He was one of the first advocates of the conical Boehm flute In England, in the 1840's, but became disenchanted with it.
		After hearing it, a modern flutist friend once said that it was the strongest evidence that the material of a flute does not much affect the tone that I could present.
		The conical bore is especially visable due to the thin metal walls.
	www.oldflutes.com /articles/india.htm (260 words)

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