Constant volume delivery device and method of delivering powder material
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B05B-001/00
B05B-017/04
B05B-001/08
B05B-003/04
B05B-001/30
출원번호
US-0182124
(2001-01-17)
우선권정보
JP-0018989 (2002-01-27)
국제출원번호
PCT/JP01/00245
(2001-01-17)
국제공개번호
WO01/55016
(2001-08-02)
발명자
/ 주소
Watanabe, Yasushi
Iwase, Yuji
Morimoto, Kiyoshi
출원인 / 주소
Kyowa Hakko Kogyo Co., Ltd.
대리인 / 주소
Fitzpatrick, Cella, Harper & Scinto
인용정보
피인용 횟수 :
5인용 특허 :
3
초록▼
A quantitative discharge apparatus for powder material, comprising: a tubular body for storing powder material; and an elastic membrane having plural penetrating apertures, the membrane constituting a bottom of the tubular body. The elastic membrane is vibrated by applying a positive pulsating vibra
A quantitative discharge apparatus for powder material, comprising: a tubular body for storing powder material; and an elastic membrane having plural penetrating apertures, the membrane constituting a bottom of the tubular body. The elastic membrane is vibrated by applying a positive pulsating vibration air, and thereby discharging powder material stored in the tubular body from the penetrating apertures of the elastic membrane. The plural penetrating apertures of the elastic membrane are formed on the circumference of a circle, of which center is a specific point of the elastic membrane.
대표청구항▼
1. A discharge apparatus for powder material, comprising:a tubular body for storing powder material; andan elastic membrane having plural penetrating apertures, said membrane constituting a bottom of said tubular body;wherein said elastic membrane is vibrated by applying a positive pulsating vibrati
1. A discharge apparatus for powder material, comprising:a tubular body for storing powder material; andan elastic membrane having plural penetrating apertures, said membrane constituting a bottom of said tubular body;wherein said elastic membrane is vibrated by applying a positive pulsating vibration air thereto in a manner that the vibration node appears at the periphery of the elastic membrane, and thereby discharging powder material stored in said tubular body from said plural penetrating apertures of said elastic membrane,said plural penetrating apertures of said elastic membrane being formed of a cut aperture, at even intervals and in a tangential direction to the circumference of a specific virtual circle, the center of which is a specific point on said elastic membrane. 2. A discharge apparatus for powder material, comprising:a tubular body for storing powder material; andan elastic membrane having plural penetrating apertures, said membrane constituting a bottom of said tubular body;wherein said elastic membrane is vibrated by applying a positive pulsating vibration air thereto in a manner that the vibration node appears at the periphery of the elastic membrane, and thereby discharging powder material stored in said tubular body from said plural penetrating apertures of said elastic membrane,wherein said plural penetrating apertures of said elastic membrane are formed in a point symmetrical manner with respect to a specific point on said elastic membrane,said plural penetrating apertures of said elastic membrane being formed of a cut aperture, at even intervals and in a tangential direction to the circumference of a specific virtual circle, the center of which is said specific point on said elastic membrane. 3. A discharge apparatus for powder material, comprising: a tubular body for storing powder material; andan elastic membrane having plural penetrating apertures, said membrane constituting a bottom of said tubular body;wherein said elastic membrane is vibrated by applying a positive pulsating vibration air thereto in a manner that the vibration node appears at the periphery of the elastic membrane, and thereby discharging powder material stored in said tubular body from said plural penetrating apertures of said elastic membrane,wherein said plural penetrating apertures of said elastic membrane are formed in an axial symmetrical manner with respect to a specific line passing on a specific point on said elastic membrane,said plural penetrating apertures of said elastic membrane being formed of a cut aperture, at even intervals and in a tangential direction to the circumference of a specific virtual circle, the center of which is said specific point on said elastic membrane. 4. The quantitative discharge apparatus as set forth in in any of claims 1 - 3 , wherein a penetrating aperture is further formed on a specific point on said elastic membrane. 5. The quantitative discharge apparatus as set forth in any of claims 1 - 3 , wherein the discharge amount of powder material in said quantitative discharge apparatus is adjustable at a desired value depending on the number of said plural penetrating apertures formed on said elastic membrane,wherein a predetermined number of penetrating apertures are at first formed on a tangent of said circumference of a specific virtual circle on said elastic membrane, said tangent including the contact point with said circumference, andwherein a predetermined number of penetrating apertures are next formed on a line with a specific angle across said tangent of said circumference of a specific virtual circle on said elastic membrane, said line including the contact point with said circumference. 6. The quantitative discharge apparatus as set forth in claim 5, wherein a predetermined number of penetrating apertures on said elastic membrane are formed on the circumference of the specific virtual circle around the specific point on said elastic membrane in a radial direction extending from said specific point of said virtual circle. 7. The quantitative discharge apparatus as set forth in claim 6, wherein said specific point on said elastic membrane accords with the center of the outline shape of said elastic membrane. 8. The quantitative discharge apparatus as set forth in claim 7, wherein said specific point on said elastic membrane accords with the center of gravity of said elastic membrane. 9. The quantitative discharge apparatus as set forth in claim 8, wherein said specific point on said elastic membrane accords with the center of said vibration node which appears on said elastic membrane when said positive pulsating vibration air is supplied into said elastic membrane. 10. The quantitative discharge apparatus as set forth in claim 9, wherein said positive pulsating vibration air is supplied from below said elastic membrane. 11. The quantitative discharge apparatus as set forth in claim 9, wherein said positive pulsating vibration air is supplied from above the powder material stored in said tubular body. 12. The quantitative discharge apparatus as set forth in claim 11, in which said elastic membrane is attached to the lower portion of said tubular body by means of an elastic membrane installation means,wherein said elastic membrane installation means comprises:a pedestal with an opening at its center;a push-up member with an opening at its center, which is disposed in the standing status on said pedestal; anda presser member with an opening at its center, said opening being a little larger than the periphery size of said push-up member,wherein said pedestal has on its surface an annular V-groove so formed as to surround said opening of said pedestal outside of the periphery of said push-up member and outside of said opening of said pedestal, whereas said presser member has on its surface facing said pedestal an annular V-shape projection portion so formed as to engage into said annular V-groove on the surface of said pedestal,wherein said push-up member is disposed on the surface of said pedestal, on which said elastic membrane is disposed, and further said presser member is so tightly secured as to cover said push-up member together with said elastic membrane to said pedestal, whereby said elastic membrane is expanded from its inner side to its outer side by being pushed up toward said presser member by means of said push-up member, while the periphery part of said elastic membrane is held between the periphery part of said push-up member and the surface forming an opening of said presser member and further expanded to be held between said annular V-groove formed on the surface of said pedestal and said annular V-shape projection portion formed on the surface facing said pedestal, and wherein said presser member is secured to the lower portion of said tubular body. 13. The quantitative discharge apparatus as set forth in claim 12, wherein an inclined plane is formed on the periphery of said push-up member, said inclined plane having a bottom part broader than its top part when seen in its section. 14. A method of discharging powder material comprising the steps of:storing powder material in a tubular body to which an elastic membrane with plural penetrating apertures is attached so that it constitutes a bottom of said tubular body;vibrating said elastic membrane by applying positive pulsating vibration air thereto so as to make said elastic membrane vibrate in a manner that the vibration node appears at its periphery, andthereby discharging said powder material stored in said tubular body from said plural apertures,said plural penetrating apertures of said elastic membrane being formed of a cut aperture, at even intervals and in a tangential direction to the circumference of a specific virtual circle, the center of which is a specific point on said elastic membrane. 15. A method of discharging powder material, comprising the steps of:storing powder material in a tubular body to which an elastic membrane with plural penetrating apertures is attached so that it constitutes a bottom of said tubular body;vibrating said elastic membrane by applying positive pulsating vibration air thereto so as to make said elastic membrane vibrate in a manner that the vibration node appears at its periphery, andthereby discharging said powder material stored in said tubular body from said plural apertures,wherein said plural penetrating apertures of said elastic membrane are formed in a point symmetrical manner with respect to a specific point on said elastic membrane,said plural penetrating apertures of said elastic membrane being formed of a cut aperture, at even intervals and in a tangential direction to the circumference of a specific virtual circle, the center of which is said specific point on said elastic membrane. 16. A method of discharging powder material comprising the steps of:storing powder material in a tubular body to which an elastic membrane with plural penetrating apertures is attached so that it constitutes a bottom of said tubular body;vibrating said elastic membrane by applying positive pulsating vibration air thereto so as to make said elastic membrane vibrate in a manner that the vibration node appears at its periphery, andthereby discharging said powder material stored in said tubular body from said plural apertures, wherein said plural penetrating apertures of said elastic membrane are formed in an axial symmetrical manner with respect to a specific line passing on a specific point on said elastic membrane,said plural penetrating apertures of said elastic membrane being formed of a cut aperture, at even intervals and in a tangential direction to the circumference of a specific virtual circle, the center of which is said specific point on said elastic membrane. 17. The method of discharging powder material as set forth in any of claims 14 - 16 , wherein a penetrating aperture is further formed on a specific point on said elastic membrane. 18. The method of discharging powder material as set forth in any of claims 14 - 16 , wherein the discharge amount of powder material is adjustable at a desired value depending on the number of said plural penetrating apertures formed on said elastic membrane, wherein a predetermined number of penetrating apertures are at first formed on a tangent of said circumference of a specific virtual circle on said elastic membrane, said tangent including the contact point with said circumference, andwherein a predetermined number of penetrating apertures are next formed on a line with a specific angle across said tangent of said circumference of a specific virtual circle on said elastic membrane, said line including the contact point with said circumference. 19. The method of discharging powder material as set forth in claim 18, wherein a predetermined number of penetrating apertures on said elastic membrane are formed on the circumference of a specific virtual circle around the specific point on said elastic membrane in a radial direction extending from said specific point of said virtual circle. 20. The method of discharging powder material as set forth in claim 19, wherein said specific point on said elastic membrane accords with the center of the outline shape of said elastic membrane. 21. The method of discharging powder material as set forth in claim 20, wherein said specific point on said elastic membrane accords with the center of gravity of said elastic membrane. 22. The method of discharging powder material as set forth in claim 21, wherein said specific point on said elastic membrane accords with the center of said vibration node which appears on said elastic membrane when said positive pulsating vibration air is supplied into said elastic membrane. 23. The method of discharging powder material as set forth in claim 22, wherein said positive pulsating vibration air is supplied from below said elastic membrane. 24. The method of discharging powder material as set forth in claim 22, where in said positive pulsating vibration air is supplied from above the powder material stored in said tubular body. 25. The method of discharging powder material as set forth in claim 24, in which said elastic membrane is attached to the lower portion of said tubular body with by means of an elastic membrane installation means,wherein said elastic membrane installation means comprises:a pedestal with an opening at its center;a push-up member with an opening at its center, which is disposed in the standing status on said pedestal; anda presser member with an opening at its center, said opening being a little larger than the periphery size of said push-up member,wherein said pedestal has on its surface an annular V-groove so formed as to surround said opening of said pedestal outside of the periphery of said push-up member and outside of said opening of said pedestal, whereas said presser member has on its surface facing said pedestal an annular V-shape projection portion so formed as to engage into said annular V-groove on the surface of said pedestal,wherein said push-up member is disposed on the surface of said pedestal, on which said elastic membrane is disposed, and further said presser member is so tightly secured as to cover said push-up member together with said elastic membrane to said pedestal, whereby said elastic membrane is expanded from its inner side to its outer side by being pushed up toward said presser member by means of said push-up member, while the periphery part of said elastic membrane is held between the periphery part of said push-up member and the surface forming an opening of said presser member and further expanded to be held between said annular V-groove formed on the surface of said pedestal and said annular V-shape projection portion formed on the surface facing said pedestal, and wherein said presser member is secured to the lower portion of said tubular body. 26. The method of discharging powder material as set forth in claim 25, wherein an inclined plane is formed on the periphery of said push-up member, said inclined plane having a bottom part broader than its top part when seen in its section.
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