CA2631599C - Combination pitched flute - Google Patents
Combination pitched flute Download PDFInfo
- Publication number
- CA2631599C CA2631599C CA2631599A CA2631599A CA2631599C CA 2631599 C CA2631599 C CA 2631599C CA 2631599 A CA2631599 A CA 2631599A CA 2631599 A CA2631599 A CA 2631599A CA 2631599 C CA2631599 C CA 2631599C
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- Prior art keywords
- pitched
- joint
- key
- flute
- foot
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- 210000003108 foot joint Anatomy 0.000 claims abstract description 28
- 239000011295 pitch Substances 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 229910001369 Brass Inorganic materials 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007799 cork Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D7/00—General design of wind musical instruments
- G10D7/02—General design of wind musical instruments of the type wherein an air current is directed against a ramp edge
- G10D7/026—General design of wind musical instruments of the type wherein an air current is directed against a ramp edge with air currents blown into an opening arranged on the cylindrical surface of the tube, e.g. transverse flutes, piccolos or fifes
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Toys (AREA)
Abstract
A combination pitched musical flute adapted to allow a flute to be played in two different keys. The flute has a head joint is connected to a generally conventional body or center joint by means of a tuning slide pitched for a first key, the tuning slide being slidingly engaged with the distal end of the head joint to allow conventional tuning, and a foot joint also pitched for the first key is adapted to be engaged with the distal end of the center joint. A first musical flute pitched for the first key may be formed by connecting together the head joint, the tuning slide pitched for the first key, the center joint, and the foot joint pitched for the first key, and a second musical flute pitched for a second key may be formed by connecting together the head joint, a tuning slide pitched for a second key, the center joint, and a foot joint pitched for the second key.
Description
COMBINATION PITCHED FLUTE
FIELD OF THE INVENTION
The present invention relates to a musical flute device, and more particularly, relates to a combination pitched musical flute, namely a flute with parts which allow it to be adapted to play in more than one pitch.
BACKGROUND OF THE INVENTION
Flutes generally have a single pitch, and are commonly pitched in the key of "D" (hereinafter sometimes referred to as a "D pitched flute"); however, flutes are also being produced pitched in the key of "E-flat" (hereinafter sometimes referred to as an "E-flat pitched flute"), and in other keys, as is generally known.
The conventional Pratten-type flute has four main parts, namely a head joint, a tuning slide with a tenon and socket connection to a body or "center joint", which in turn has a similar connection to a foot joint; the connection between the head joint and the tuning slide being adjustable for tuning. This allows only fine tuning, and does not allow a change of a half tone, e.g. from D to E
flat.
It is desirable to provide a musical flute apparatus having a combination of parts which allow it to be converted from a flute playing in one key to a flute playing in another different key, to allow the flute to be utilized more widely, and with a wider range of accompanying instruments and voices.
SUMMARY OF THE INVENTION
Accordingly, one object of the present invention is to provide a combination of parts which can be assembled into two forms of musical flute playable in two different keys.
This is achieved by providing a flute having four main parts, including a replaceable tuning slide between a head joint and a center joint, and a replaceable foot joint, such that these parts can be replaced by longer parts with varied vent hole positioning which allow the pitch of the flute to be changed by an amount of at least a half tone.
More specifically, there is provided a set of musical flute parts which can be selectively assembled into a first form of the flute tuned to a first key, the parts comprising, a head joint, a first tuning slide pitched for a first key and adapted to be slidingly engaged with the distal end of the head joint, a center joint adapted to being engaged with the tuning slide, and a foot joint pitched for the first key. With this combination of parts, a first musical flute pitched for a first key may be formed by connecting together the head joint, the tuning slide pitched for the first key, the center joint, and the foot joint pitched for the first key, and a second musical flute pitched for a second key may be formed by connecting together the head joint, a second, alternative tuning slide pitched for the second key, the center joint, and a second, alternative the foot joint pitched for the second key.
The present invention may also be seen as a combination of tuning slides and foot joints that may be connected with head joints and center joints to create a variety of flutes capable of being played in different keys.
BRIEF DESCRIPTION OF THE DRAWINGS
A preferred embodiment of the present invention is described below with reference to the accompanying drawings, in which:
Figure 1 is a top view of the head joint, a D pitched tuning slide, an E-flat pitched tuning slide, a center joint, a D pitched foot joint and an E-flat pitched foot joint of one embodiment of the present invention;
Figure 2 is a longitudinal-sectional view of a head joint in one embodiment of the present invention;
Figure 3 is a longitudinal-sectional view of a D pitched tuning slide in one embodiment of the present invention;
Figure 4 is a longitudinal-sectional view of an E-flat pitched tuning slide in one embodiment of the present invention;
Figure 5 is a perspective view of a D pitched foot joint of one embodiment of the present invention;
Figure 6 is a longitudinal-sectional view of the D pitched foot joint illustrated in Figure 5;and
FIELD OF THE INVENTION
The present invention relates to a musical flute device, and more particularly, relates to a combination pitched musical flute, namely a flute with parts which allow it to be adapted to play in more than one pitch.
BACKGROUND OF THE INVENTION
Flutes generally have a single pitch, and are commonly pitched in the key of "D" (hereinafter sometimes referred to as a "D pitched flute"); however, flutes are also being produced pitched in the key of "E-flat" (hereinafter sometimes referred to as an "E-flat pitched flute"), and in other keys, as is generally known.
The conventional Pratten-type flute has four main parts, namely a head joint, a tuning slide with a tenon and socket connection to a body or "center joint", which in turn has a similar connection to a foot joint; the connection between the head joint and the tuning slide being adjustable for tuning. This allows only fine tuning, and does not allow a change of a half tone, e.g. from D to E
flat.
It is desirable to provide a musical flute apparatus having a combination of parts which allow it to be converted from a flute playing in one key to a flute playing in another different key, to allow the flute to be utilized more widely, and with a wider range of accompanying instruments and voices.
SUMMARY OF THE INVENTION
Accordingly, one object of the present invention is to provide a combination of parts which can be assembled into two forms of musical flute playable in two different keys.
This is achieved by providing a flute having four main parts, including a replaceable tuning slide between a head joint and a center joint, and a replaceable foot joint, such that these parts can be replaced by longer parts with varied vent hole positioning which allow the pitch of the flute to be changed by an amount of at least a half tone.
More specifically, there is provided a set of musical flute parts which can be selectively assembled into a first form of the flute tuned to a first key, the parts comprising, a head joint, a first tuning slide pitched for a first key and adapted to be slidingly engaged with the distal end of the head joint, a center joint adapted to being engaged with the tuning slide, and a foot joint pitched for the first key. With this combination of parts, a first musical flute pitched for a first key may be formed by connecting together the head joint, the tuning slide pitched for the first key, the center joint, and the foot joint pitched for the first key, and a second musical flute pitched for a second key may be formed by connecting together the head joint, a second, alternative tuning slide pitched for the second key, the center joint, and a second, alternative the foot joint pitched for the second key.
The present invention may also be seen as a combination of tuning slides and foot joints that may be connected with head joints and center joints to create a variety of flutes capable of being played in different keys.
BRIEF DESCRIPTION OF THE DRAWINGS
A preferred embodiment of the present invention is described below with reference to the accompanying drawings, in which:
Figure 1 is a top view of the head joint, a D pitched tuning slide, an E-flat pitched tuning slide, a center joint, a D pitched foot joint and an E-flat pitched foot joint of one embodiment of the present invention;
Figure 2 is a longitudinal-sectional view of a head joint in one embodiment of the present invention;
Figure 3 is a longitudinal-sectional view of a D pitched tuning slide in one embodiment of the present invention;
Figure 4 is a longitudinal-sectional view of an E-flat pitched tuning slide in one embodiment of the present invention;
Figure 5 is a perspective view of a D pitched foot joint of one embodiment of the present invention;
Figure 6 is a longitudinal-sectional view of the D pitched foot joint illustrated in Figure 5;and
2 Figure 7 is a longitudinal-sectional view of the E-flat pitched foot joint of one embodiment of the present invention.
DESCRIPTION OF THE PREFERRED EMBODIMENT
In the presently described embodiments of the present invention, "proximal" or "the proximal end" will refer to that end of the flute nearest the embouchure hole, and to that general direction, while "distal" or "the distal end" will refer to the other end of the flute, and to that general direction.
In a preferred embodiment of the present invention, as illustrated in Figure 1, a head joint 1, a D
pitched tuning slide 8, an E-flat pitched tuning slide 24, a body or center joint 10, a D pitched foot joint 14 and an E-flat pitched foot joint 20 are provided. The head joint 1, D pitched tuning slide 8, center joint 10 and D pitched foot joint 14 can be assembled (as illustrated by the arrows 30, 32 and 34) to form a D-pitched flute. Alternatively, the head joint 1, an E-flat pitched tuning slide 24, the center joint 10 and an E-flat pitched foot joint 20 can be assembled (as illustrated by the arrows 36, 37 and 38) to form an E-flat pitched flute.
In the case of a taper bored flute, the bore of the center joint 10 is tapered in a manner known to a person skilled in the art (and in a preferred embodiment, the bore of the center joint has a diameter of .747 inch at the proximal end, and a diameter of .546 inch at the distal end), and, as illustrated in Figure 1, the center joint 10 may have conventional keys 22 and note holes 12. The center joint provides a conventional upper tenon 33 on the proximal end thereof, and a conventional lower tenon 35 on the distal end thereof, allowing the connection of the center joint 10 with the sockets of the slide joints described herein, and with the sockets of the foot joints as described herein.
As illustrated in Figures 1, 6 and 7, both the D pitched foot joint 14 and E-flat pitched foot joint 20 have "C-sharp" and "C" vent holes, numbered 16A and 18A respectively in the case of the D
pitched foot joint 14 and numbered 16B and 18B respectively in the case of the E-flat pitched foot joint 20.
With reference to Figure 2, the head joint has a main body 2 preferably made of wood and preferably having an overall length 52 of 6.250", preferably having a non-tapered bore diameter
DESCRIPTION OF THE PREFERRED EMBODIMENT
In the presently described embodiments of the present invention, "proximal" or "the proximal end" will refer to that end of the flute nearest the embouchure hole, and to that general direction, while "distal" or "the distal end" will refer to the other end of the flute, and to that general direction.
In a preferred embodiment of the present invention, as illustrated in Figure 1, a head joint 1, a D
pitched tuning slide 8, an E-flat pitched tuning slide 24, a body or center joint 10, a D pitched foot joint 14 and an E-flat pitched foot joint 20 are provided. The head joint 1, D pitched tuning slide 8, center joint 10 and D pitched foot joint 14 can be assembled (as illustrated by the arrows 30, 32 and 34) to form a D-pitched flute. Alternatively, the head joint 1, an E-flat pitched tuning slide 24, the center joint 10 and an E-flat pitched foot joint 20 can be assembled (as illustrated by the arrows 36, 37 and 38) to form an E-flat pitched flute.
In the case of a taper bored flute, the bore of the center joint 10 is tapered in a manner known to a person skilled in the art (and in a preferred embodiment, the bore of the center joint has a diameter of .747 inch at the proximal end, and a diameter of .546 inch at the distal end), and, as illustrated in Figure 1, the center joint 10 may have conventional keys 22 and note holes 12. The center joint provides a conventional upper tenon 33 on the proximal end thereof, and a conventional lower tenon 35 on the distal end thereof, allowing the connection of the center joint 10 with the sockets of the slide joints described herein, and with the sockets of the foot joints as described herein.
As illustrated in Figures 1, 6 and 7, both the D pitched foot joint 14 and E-flat pitched foot joint 20 have "C-sharp" and "C" vent holes, numbered 16A and 18A respectively in the case of the D
pitched foot joint 14 and numbered 16B and 18B respectively in the case of the E-flat pitched foot joint 20.
With reference to Figure 2, the head joint has a main body 2 preferably made of wood and preferably having an overall length 52 of 6.250", preferably having a non-tapered bore diameter
3 of 0.747" and having an embouchure hole 4, a metal surfaced concavely shaped stopper cork 44, and a slide tube 40 extending from the distal end thereof , the slide tube 40 being alternatively made of nickel, silver, brass or other material known to a person skilled in the art, the slide tube 40 extending beyond the main body 2 and preferably having an outside diameter of 0.789". The slide tube 40 is preferably permanently and securely engaged with the inner walls of the head joint, and preferably extends a distance, indicated as 54, of 1.360" beyond the distal end of the main body 2. As illustrated in Figure 2, the inner wall of the head joint preferably has a counterbored recess 42 therein to receive a slide tube projecting from the proximal end of one of the tuning slides as hereinafter described, the bored recess 42 having a diameter of 0.850" and a preferable depth, shown at 50, of 0.875".
With reference to Figure 3, a D pitched tuning slide 8 is provided, having a main body 9 preferably made of wood, and preferably having a length 62 of 2.900". The slide 8 has a socket 60 at the distal end thereof to receive the upper tenon 33 of the center joint as hereinafter described, the socket 60 preferably having a diameter of 0.882" and a depth 64 of 1.063". The tuning slide has a slide tube 56, which may be made of nickel, silver, brass or other material known to a person skilled in the art, and preferably extending a distance 70 of 0.870" beyond the proximal end of the main body 9 and having a inner diameter so as to allow it to snugly slide over the outside of the slide tube 40 of the head joint, the tuning slide 8 being movable relative to the head joint 1 to allow the flute to be tuned in a conventional manner.
It is to be noted that the slide tube 56 may slide into the counterbored recess 42. A spacer ring 58, preferably having an outside diameter such that it fits securely within the slide tube 56, is fitted at the distal end of the slide tube 56, the spacer ring 58 having an inside diameter 66 of 0.747", matching that of the inside of slide tube 40 and a length 68 of 0.450". This spacer reduces turbulent air flow through the flute when the D pitched tuning slide 8 is positioned on the head joint 1 and when the tenon 33 of the center joint is positioned in the tuning slide.
With reference to Figure 4, an E-flat pitched tuning slide 24 is provided, having a main body 25 preferably made of wood, and preferably having a length 78 of 2.450". A socket 72 at the distal end thereof can receive the upper tenon 33 of the center joint 10 as herein described, the socket 72 preferably having an internal diameter of 0.882" and a depth 76 of 1.063".
The tuning slide has a slide tube 74, which may be made of nickel, silver, brass or other material known to a person skilled in the art, and preferably extends a distance 75 of 0.870"
beyond the proximal end of the main body 25 having an inner diameter so as to allow it to snugly slide over the outside of
With reference to Figure 3, a D pitched tuning slide 8 is provided, having a main body 9 preferably made of wood, and preferably having a length 62 of 2.900". The slide 8 has a socket 60 at the distal end thereof to receive the upper tenon 33 of the center joint as hereinafter described, the socket 60 preferably having a diameter of 0.882" and a depth 64 of 1.063". The tuning slide has a slide tube 56, which may be made of nickel, silver, brass or other material known to a person skilled in the art, and preferably extending a distance 70 of 0.870" beyond the proximal end of the main body 9 and having a inner diameter so as to allow it to snugly slide over the outside of the slide tube 40 of the head joint, the tuning slide 8 being movable relative to the head joint 1 to allow the flute to be tuned in a conventional manner.
It is to be noted that the slide tube 56 may slide into the counterbored recess 42. A spacer ring 58, preferably having an outside diameter such that it fits securely within the slide tube 56, is fitted at the distal end of the slide tube 56, the spacer ring 58 having an inside diameter 66 of 0.747", matching that of the inside of slide tube 40 and a length 68 of 0.450". This spacer reduces turbulent air flow through the flute when the D pitched tuning slide 8 is positioned on the head joint 1 and when the tenon 33 of the center joint is positioned in the tuning slide.
With reference to Figure 4, an E-flat pitched tuning slide 24 is provided, having a main body 25 preferably made of wood, and preferably having a length 78 of 2.450". A socket 72 at the distal end thereof can receive the upper tenon 33 of the center joint 10 as herein described, the socket 72 preferably having an internal diameter of 0.882" and a depth 76 of 1.063".
The tuning slide has a slide tube 74, which may be made of nickel, silver, brass or other material known to a person skilled in the art, and preferably extends a distance 75 of 0.870"
beyond the proximal end of the main body 25 having an inner diameter so as to allow it to snugly slide over the outside of
4 the slide tube 40 of the head joint 1, the tuning slide 24 being movable relative to the head joint to allow the flute to be tuned in a conventional manner. It is to be noted that the slide tube 74 may slide into the bored recess 42.
With reference to Figure 6, a D pitch end foot 14 is provided, having a socket 80 at the proximal end thereof for attachment to the lower tenon 35 of the center joint 10 in a conventional manner, a length of the bore of the end foot 14 extending the tapered bore of the center joint 10, preferably the tapered bore tapering from an opening 86 of 0.546 inch diameter to .485" at 92 before opening up into a bell end 82, the bell end having a curve 99 of radius of .125 inches. In a preferred embodiment of the present invention, the centerline of the C-sharp vent hole 16A is positioned a distance 88 of 2.587" from the proximal end of the end foot, the C-sharp vent hole 16A having a diameter at the top of 0.438 inches, the proximal side wall of the C-sharp vent hole 16A being tapered 16C approximately 7 from vertical as illustrated in Figure 6 (the 7 angle of the wall being transitioned from 7 to 0 from the proximal end of the hole to the distal end of the hole), providing the C-sharp vent hole 16A with a slightly enlarged diameter at the bottom thereof. In a preferred embodiment of the present invention, the centerline of the C vent hole 18A is positioned a distance 90 of 3.791 " from the centerline of the C-sharp vent hole 16A and having a diameter of 0.420 inches.
With reference to Figure 7, an E-flat end foot 20 is also provided, having a socket 80 at the top end thereof for attachment to the lower tenon 35 of the center joint 10 in a conventional manner, a length of the bore of the end foot 20 extending the tapered bore of the center joint 10, preferably the tapered bore tapering from an opening 94 of 0.546" diameter to 0.490" at 100 before opening up into a bell end 92 having a diameter 102 of 0.507 inches. In a preferred embodiment of the present invention, the centerline of the C-sharp vent hole 16B is positioned a distance 96 of 2.072" from the proximal end of the end foot, the C-sharp vent hole 16B having a diameter at the top of 0.438 inches, the proximal side wall of the C-sharp vent hole 16B being tapered 16C approximately 7 from vertical as illustrated in Figure 7, providing the C-sharp vent hole 16B with a slightly enlarged diameter at the bottom thereof. In a preferred embodiment of the present invention, the centerline of the C vent hole 18B is positioned a distance 98 of 3.453"
from the centerline of the C-sharp vent hole 16B and having a diameter of 0.420 inches.
While the present invention has been described with reference to a flute apparatus which may be assembled into either a D pitch or E-flat pitch flute, it is understood that with appropriate
With reference to Figure 6, a D pitch end foot 14 is provided, having a socket 80 at the proximal end thereof for attachment to the lower tenon 35 of the center joint 10 in a conventional manner, a length of the bore of the end foot 14 extending the tapered bore of the center joint 10, preferably the tapered bore tapering from an opening 86 of 0.546 inch diameter to .485" at 92 before opening up into a bell end 82, the bell end having a curve 99 of radius of .125 inches. In a preferred embodiment of the present invention, the centerline of the C-sharp vent hole 16A is positioned a distance 88 of 2.587" from the proximal end of the end foot, the C-sharp vent hole 16A having a diameter at the top of 0.438 inches, the proximal side wall of the C-sharp vent hole 16A being tapered 16C approximately 7 from vertical as illustrated in Figure 6 (the 7 angle of the wall being transitioned from 7 to 0 from the proximal end of the hole to the distal end of the hole), providing the C-sharp vent hole 16A with a slightly enlarged diameter at the bottom thereof. In a preferred embodiment of the present invention, the centerline of the C vent hole 18A is positioned a distance 90 of 3.791 " from the centerline of the C-sharp vent hole 16A and having a diameter of 0.420 inches.
With reference to Figure 7, an E-flat end foot 20 is also provided, having a socket 80 at the top end thereof for attachment to the lower tenon 35 of the center joint 10 in a conventional manner, a length of the bore of the end foot 20 extending the tapered bore of the center joint 10, preferably the tapered bore tapering from an opening 94 of 0.546" diameter to 0.490" at 100 before opening up into a bell end 92 having a diameter 102 of 0.507 inches. In a preferred embodiment of the present invention, the centerline of the C-sharp vent hole 16B is positioned a distance 96 of 2.072" from the proximal end of the end foot, the C-sharp vent hole 16B having a diameter at the top of 0.438 inches, the proximal side wall of the C-sharp vent hole 16B being tapered 16C approximately 7 from vertical as illustrated in Figure 7, providing the C-sharp vent hole 16B with a slightly enlarged diameter at the bottom thereof. In a preferred embodiment of the present invention, the centerline of the C vent hole 18B is positioned a distance 98 of 3.453"
from the centerline of the C-sharp vent hole 16B and having a diameter of 0.420 inches.
While the present invention has been described with reference to a flute apparatus which may be assembled into either a D pitch or E-flat pitch flute, it is understood that with appropriate
5 modifications thereto, the removable tuning slide and foot joint may be replaced by similar parts to assemble flutes adapted to play in any two pitches where the two pitches are, for example, more than one half tone apart.
The present invention has been described herein with regard to a preferred embodiment.
However, it will be obvious to persons skilled in the art that a number of variations and modifications can be made without departing from the scope of the invention as described herein.
The present invention has been described herein with regard to a preferred embodiment.
However, it will be obvious to persons skilled in the art that a number of variations and modifications can be made without departing from the scope of the invention as described herein.
6
Claims (2)
OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A combination pitched musical flute, comprising:
a. a head joint;
b. a tuning slide pitched for a first key and adapted to being slidingly engaged with the distal end of the head joint;
c. a tuning slide pitched for a second key and adapted to being slidingly engaged with the distal end of the head joint;
d. a center joint adapted to being engaged with either of the timing slides;
e. a foot joint pitched for the first key; and f. a foot joint pitched for the second key wherein a first musical flute pitched for the first key may be formed by connecting together the head joint, the tuning slide pitched for the first key, the center joint, and the foot joint pitched for the first key, and wherein a second musical flute pitched for a second key may be formed by connecting together head joint, the tuning slide pitched for the second key, the center joint, and the foot joint pitched for the second key.
a. a head joint;
b. a tuning slide pitched for a first key and adapted to being slidingly engaged with the distal end of the head joint;
c. a tuning slide pitched for a second key and adapted to being slidingly engaged with the distal end of the head joint;
d. a center joint adapted to being engaged with either of the timing slides;
e. a foot joint pitched for the first key; and f. a foot joint pitched for the second key wherein a first musical flute pitched for the first key may be formed by connecting together the head joint, the tuning slide pitched for the first key, the center joint, and the foot joint pitched for the first key, and wherein a second musical flute pitched for a second key may be formed by connecting together head joint, the tuning slide pitched for the second key, the center joint, and the foot joint pitched for the second key.
2. A combination pitched musical flute according to claim 1, wherein the first key is E flat, arid the second key is D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2631599A CA2631599C (en) | 2008-05-20 | 2008-05-20 | Combination pitched flute |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2631599A CA2631599C (en) | 2008-05-20 | 2008-05-20 | Combination pitched flute |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2631599A1 CA2631599A1 (en) | 2009-11-20 |
| CA2631599C true CA2631599C (en) | 2013-12-24 |
Family
ID=41338165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2631599A Active CA2631599C (en) | 2008-05-20 | 2008-05-20 | Combination pitched flute |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2631599C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413544B (en) * | 2013-07-19 | 2016-03-09 | 金华职业技术学院 | A kind of series connection flute |
| CN107680568B (en) * | 2015-03-28 | 2019-09-13 | 吴红平 | The flute of energy quick-replaceable breakage bamboo membrane |
-
2008
- 2008-05-20 CA CA2631599A patent/CA2631599C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CA2631599A1 (en) | 2009-11-20 |
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| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |