Slurry distributor with a profiling mechanism, system, and method for using same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B05B-007/32
B28B-019/00
B05C-005/02
B29C-033/30
B05C-011/10
출원번호
US-0844550
(2013-03-15)
등록번호
US-9999989
(2018-06-19)
발명자
/ 주소
Rago, William J.
Wittbold, James
출원인 / 주소
United States Gypsum Company
대리인 / 주소
Leydig, Voit & Mayer, Ltd
인용정보
피인용 횟수 :
0인용 특허 :
135
초록▼
A slurry distributor can include a distribution conduit and a profiling mechanism. The distribution conduit extends generally along a longitudinal axis and includes an entry portion and a distribution outlet in fluid communication with the entry portion. The distribution outlet extends a predetermin
A slurry distributor can include a distribution conduit and a profiling mechanism. The distribution conduit extends generally along a longitudinal axis and includes an entry portion and a distribution outlet in fluid communication with the entry portion. The distribution outlet extends a predetermined distance along a transverse axis, which is substantially perpendicular to the longitudinal axis. The distribution outlet includes an outlet opening having a width, along the transverse axis, and a height, along a vertical axis mutually perpendicular to the longitudinal axis and the transverse axis. The profiling mechanism includes a profiling member in contacting relationship with the distribution conduit and movable over a range of travel such that the profiling member is in a range of positions over which it is in increasing compressive engagement with a portion of the distribution conduit adjacent the distribution outlet to vary the shape and/or size of the outlet opening.
대표청구항▼
1. A slurry distributor comprising: a distribution conduit extending generally along a longitudinal axis and including an entry portion and a distribution outlet in fluid communication with the entry portion, the distribution outlet extending a predetermined distance along a transverse axis, the tra
1. A slurry distributor comprising: a distribution conduit extending generally along a longitudinal axis and including an entry portion and a distribution outlet in fluid communication with the entry portion, the distribution outlet extending a predetermined distance along a transverse axis, the transverse axis being substantially perpendicular to the longitudinal axis, the distribution outlet including an outlet opening having a width, along the transverse axis, and a height, along a vertical axis mutually perpendicular to the longitudinal axis and the transverse axis;a profiling mechanism including a profiling member in contacting relationship with the distribution conduit, the profiling member movable over a range of travel such that the profiling member is in a range of positions over which the profiling member is in increasing compressive engagement with a portion of the distribution conduit adjacent the distribution outlet to vary the shape and/or size of the outlet opening;wherein the profiling member has a width extending along the transverse axis, the width of the outlet opening being larger than the width of the profiling member, and the profiling member being positioned such that a pair of lateral portions of the distribution outlet are in offset relationship to the profiling member. 2. The slurry distributor of claim 1, wherein the outlet opening of the distribution outlet has a width-to-height ratio of about 4 or more. 3. The slurry distributor of claim 1, wherein the profiling member is movable along the vertical axis. 4. The slurry distributor of claim 1, wherein the profiling member has at least two degrees of freedom. 5. The slurry distributor of claim 1, wherein the profiling member is translatable along at least one axis and rotatable about at least one pivot axis. 6. The slurry distributor of claim 4, wherein the profiling member is translatable along the vertical axis and rotatable about a pivot axis that is substantially parallel to the longitudinal axis, the profiling member being rotatable about the pivot axis over an arc length such that the profiling member is in a range of positions over which the profiling member is in variable compressive engagement with the portion of the distribution conduit across the transverse axis such that the height of the outlet opening varies along the transverse axis. 7. The slurry distributor of claim 6, wherein the profiling mechanism includes a support assembly having a stationary support member and a pivotal support member, the pivotal support member rotatable about the pivot axis over the arc length with respect to the stationary support member, the pivotal support member supporting the profiling member. 8. The slurry distributor of claim 1, wherein the profiling member is rotatable about a pivot axis over an arc length such that the profiling member is in a range of positions over which the profiling member is in variable compressive engagement with the portion of the distribution conduit across the transverse axis such that the height of the outlet opening varies along the transverse axis. 9. The slurry distributor of claim 1, wherein the profiling mechanism includes a support assembly, and the profiling member includes an engagement segment extending generally longitudinally and transversely and a translation adjustment rod extending generally vertically from the engagement segment, the translation adjustment rod of the profiling member movably secured to the support assembly such that the profiling member is movable over a range of vertical positions. 10. The slurry distributor of claim 9, wherein the support assembly includes a clamp mechanism adapted to selectively engage the translation adjustment rod to secure the profiling member in a selected one of the range of vertical positions. 11. The slurry distributor of claim 9, wherein the support assembly is adapted to rotatably support the profiling member such that the profiling member is rotatable about a pivot axis over a range of positions along an arc length. 12. The slurry distributor of claim 11, wherein the support assembly includes a stationary support member and a pivotal support member, the pivotal support member rotatable about the pivot axis over the arc length with respect to the stationary support member, the pivotal support member supporting the profiling member. 13. The slurry distributor of claim 12, wherein the support assembly includes a rotation adjustment rod extending between the stationary support member and the pivotal support member, the rotation adjustment rod movably secured to the stationary support member such that moving the rotation adjustment rod with respect to the stationary member pivots the pivotal support member about the pivot axis with respect to the stationary support member. 14. The slurry distributor of claim 13, wherein the support assembly includes a clamp mechanism adapted to selectively engage the rotation adjustment rod to secure the profiling member in a selected one of the range of positions along the arc length. 15. A cementitious slurry mixing and dispensing assembly comprising: a mixer adapted to agitate water and a cementitious material to form an aqueous cementitious slurry;a slurry distributor in fluid communication with the mixer, the slurry distributor including: a distribution conduit extending generally along a longitudinal axis and including an entry portion and a distribution outlet in fluid communication with the entry portion, the distribution outlet extending a predetermined distance along a transverse axis, the transverse axis being substantially perpendicular to the longitudinal axis, the distribution outlet including an outlet opening having a width, along the transverse axis, and a height, along a vertical axis mutually perpendicular to the longitudinal axis and the transverse axis, anda profiling mechanism including a profiling member in contacting relationship with the distribution conduit, the profiling member movable over a range of travel such that the profiling member is in a range of positions over which the profiling member is in increasing compressive engagement with a portion of the distribution conduit adjacent the distribution outlet to vary the shape and/or size of the outlet opening,wherein the profiling member has a width extending along the transverse axis, the width of the outlet opening being larger than the width of the profiling member, and the profiling member being positioned such that a pair of lateral portions of the distribution outlet are in offset relationship to the profiling member. 16. The cementitious slurry mixing and dispensing assembly of claim 15, further comprising: a distributor support member supporting the distribution conduit;wherein the profiling mechanism of the slurry distributor includes a support assembly having a stationary support member and a pivotal support member, the stationary support member connected to the distributor support member, the pivotal support member rotatable about a pivot axis over an arc length with respect to the stationary support member, the pivotal support member supporting the profiling member. 17. The cementitious slurry mixing and dispensing assembly of claim 15, further comprising: a delivery conduit disposed between and in fluid communication with the mixer and the slurry distributor;a flow-modifying element associated with the delivery conduit and adapted to control a flow of the aqueous cementitious slurry from the mixer;an aqueous foam supply conduit in fluid communication with at least one of the mixer and the delivery conduit. 18. The cementitious slurry mixing and dispensing assembly of claim 15, wherein the slurry distributor includes a feed conduit including a first entry segment with a first feed inlet and a second entry segment with a second feed inlet disposed in spaced relationship to the first feed inlet, the entry portion of the distribution conduit being in fluid communication with the first and second feed inlets of the feed conduit, the first feed inlet adapted to receive a first flow of aqueous cementitious slurry from the mixer, the second feed inlet adapted to receive a second flow of aqueous cementitious slurry from the mixer, and the distribution outlet in fluid communication with both the first and the second feed inlets and adapted such that combined first and second flows of aqueous cementitious slurry discharge from the slurry distributor through the distribution outlet. 19. The gypsum slurry mixing and dispensing assembly of claim 18, further comprising: a delivery conduit disposed between and in fluid communication with the mixer and the slurry distributor, the delivery conduit including a main delivery trunk and first and second delivery branches;a flow splitter joining the main delivery trunk and the first and second delivery branches, the flow splitter disposed between the main delivery trunk and the first delivery branch and between the main delivery trunk and the second delivery branch;wherein the first delivery branch is in fluid communication with the first feed inlet of the slurry distributor, and the second delivery branch is in fluid communication with the second feed inlet of the slurry distributor. 20. A method of preparing a cementitious product comprising: discharging a flow of aqueous cementitious slurry from a mixer;passing the flow of aqueous cementitious slurry through an entry portion of a distribution conduit of a slurry distributor;discharging the flow of aqueous cementitious slurry from an outlet opening of a distribution outlet of the slurry distributor upon a web of cover sheet material moving along a machine direction, the distribution outlet extending a predetermined distance along a transverse axis, the transverse axis being substantially perpendicular to the longitudinal axis, the outlet opening having a width, along the transverse axis, and a height, along a vertical axis mutually perpendicular to the longitudinal axis and the transverse axis;compressively engaging a portion of the distribution conduit adjacent the distribution outlet to vary the shape and/or size of the outlet opening;wherein the distribution conduit is compressively engaged by a profiling mechanism having a profiling member in contacting relationship with the distribution conduit, the profiling member movable over a range of travel such that the profiling member is in a range of positions over which the profiling member is in increasing compressive engagement with the distribution conduit, the profiling member having a width extending along the transverse axis, the outlet width of the outlet opening being larger than the width of the profiling member, and the profiling member being positioned such that a pair of lateral portions of the distribution outlet are in offset relationship to the profiling member. 21. The method of preparing a cementitious product of claim 20, wherein the distribution conduit is compressively engaged by the profiling mechanism such that the flow of aqueous cementitious slurry is discharged from the outlet opening with an increased spread angle relative to the machine direction. 22. The method of preparing a cementitious product of claim 20, further comprising: moving the profiling member along the vertical axis to adjust the size and/or shape of the outlet opening. 23. The method of preparing a cementitious product of claim 20, further comprising: moving the profiling member such that the profiling member translates along at least one axis and/or rotates about at least one axis to adjust the size and/or shape of the outlet opening.
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