Process and apparatus for coating composite pulp honeycomb support elements
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B31D-003/02
B32B-003/12
B05D-007/22
B05C-007/04
B29D-099/00
B32B-029/00
B05C-005/00
B05C-011/10
B05C-013/02
D21H-023/48
B29K-311/12
출원번호
US-0787603
(2014-04-11)
등록번호
US-10058885
(2018-08-28)
우선권정보
DE-10 2013 104 318 (2013-04-29)
국제출원번호
PCT/EP2014/057425
(2014-04-11)
국제공개번호
WO2014/177370
(2014-11-06)
발명자
/ 주소
Iseli, Fredy
출원인 / 주소
Iseli, Fredy
대리인 / 주소
Bachman & LaPointe, PC
인용정보
피인용 횟수 :
0인용 특허 :
9
초록▼
A coating device for coating composite cellulose honeycomb support parts (1) each having a multiplicity of channels (5, 6) extending in an axial direction with an impregnation coating to increase fire, water-resistance and/or mechanical stability of the support parts (1). A conveyor (8) transports t
A coating device for coating composite cellulose honeycomb support parts (1) each having a multiplicity of channels (5, 6) extending in an axial direction with an impregnation coating to increase fire, water-resistance and/or mechanical stability of the support parts (1). A conveyor (8) transports the support parts (1) in a conveying direction along a filling station (9) configured to pour impregnation agent (12) from above into the channels (5, 6), and damming agents (16) are configured such that the impregnation agent (12) is prevented or at least delayed from draining downwards out of the channels (5, 6) such that the impregnation agent (12) builds up in the channels (5, 6). An emptying station (19) is arranged downstream of the filling station (9) in the conveying direction, at which emptying station excess impregnation agent (12) drains out of the channels (5, 6) in the composite cellulose honeycomb support parts (1). A corresponding process is also disclosed.
대표청구항▼
1. A coating device for coating composite pulp honeycomb support elements (1), each having a multiplicity of passages (5, 6) extending in an axial direction, with an impregnation coating for the purpose of increasing the fire and/or water resistance and/or the mechanical stability of the support ele
1. A coating device for coating composite pulp honeycomb support elements (1), each having a multiplicity of passages (5, 6) extending in an axial direction, with an impregnation coating for the purpose of increasing the fire and/or water resistance and/or the mechanical stability of the support elements, comprising a conveyor (8) for transporting the composite pulp honeycomb support elements (1) in a direction of feed along a filling station (9), wherein the conveyor is designed so that an impregnation agent (12) is filled from above into the passages (5, 6) of the composite pulp honeycomb support elements (1), damming agents (16) positioned relative to the filling station (9) for reducing downward flow of the impregnation agent (12) out of the passages (5, 6) such that the impregnation agent (12) is built up in the passages (5, 6) up to an upper face of the composite pulp honeycomb support elements (1), and a draining station (19) arranged downstream of the filling station (9) in the direction of feed, at which draining station excess impregnation agent (12) can drain out of the passages (5, 6) of the composite pulp honeycomb support elements (1), and wherein, at the draining station (19), vibration means (20) are provided for the purpose of setting the composite pulp honeycomb support elements (1) into vibration, for aiding the drainage process. 2. The coating device according to claim 1, wherein a wetting station (21) is provided ahead of the filling station (9) in the direction of feed, for the purpose of initially wetting the passages (5, 6) before filling with the impregnation agent (12) at the filling station (9). 3. The coating device according to claim 1, wherein the conveyor (8) has passageways (14), through which excess impregnation agent (12) can flow downwards in the region of the draining station (19). 4. The coating device according to claim 1, wherein the conveyor (8) comprises conveyor rollers and a conveyor belt spaced apart in the direction of feed, and further comprises load-supporting bars (18) spaced apart in the direction of feed for the composite pulp honeycomb support elements (1). 5. The coating device according to claim 1, wherein the damming agents (16) comprise a damming sheet, which is arranged underneath the conveyor (8), wherein the impregnation agent (12) is dammed back up through the conveyor (8) into the passages (5, 6). 6. The coating device according to claim 1, further comprising a collecting vessel (15) positioned to receive the impregnation agent (12) from the draining station (19), wherein the collecting vessel (15) extends as far as under the filling station (9). 7. The coating device according to claim 6, further comprising pumping means for pumping the impregnation agent (12) out of the collecting vessel (15) and feeding it back to the filling station (9). 8. The coating device according to claim 1, further comprising a cleaning station (23) for removing impregnation agent (12) from the conveyor (8). 9. The coating device according to claim 1, further comprising placement equipment (24) for the automatic placement of the composite pulp honeycomb support elements (1) to be coated onto the conveyor (8), and stacking means (27) for the automatic stacking of coated composite pulp honeycomb support elements (1). 10. The coating device according to claim 9, further comprising transfer means (25) for arranging coated composite pulp honeycomb support elements (1) from the conveyor (8) on stacking sheets (26). 11. A coating method for coating composite pulp honeycomb support elements (1), each having a multiplicity of passages (5, 6) extending in an axial direction, with an impregnation coating for the purpose of increasing the fire and/or water resistance and/or the mechanical stability of the support elements, comprising the steps of: transporting composite pulp honeycomb support elements (1) in a direction of feed along to a filling station (9) wherein an impregnation agent (12) fills the passages (5, 6) of the composite pulp honeycomb support elements (1), and wherein damming agents (16) are positioned to slow flow of the impregnation agent (12) out of the passages (5, 6) downwards such that the impregnation agent (12) builds up in the passages (5, 6), up to an upper face of the composite pulp honeycomb support elements (1), and arranging a draining station (19) downstream of the filling station (9) in the direction of feed, wherein, at the draining station, excess impregnation agent (12) drains out of the passages (5, 6) of the composite pulp honeycomb support elements (1), and vibrating the composite pulp honeycomb support elements (1) at the draining station (19). 12. The coating method according to claim 11, wherein, at the filling station (9), the impregnation agent (12) is built up in the passages (5, 6) to the extent that a surface of the composite pulp honeycomb support elements (1) is covered in the filling region by the impregnation agent (12) to a height above the surface of the composite pulp honeycomb support elements (1) in the filling region of at least 0.5 cm. 13. The coating method according to claim 12, wherein, at the draining station (19), excess impregnation agent (12) flows downwards through passageways (14) in the conveyor (8) for the composite pulp honeycomb support elements (1).
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