IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0827153
(2001-04-05)
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발명자
/ 주소 |
- Waalkes, Michael L.
- Pressnell, Marcus K.
- Slager, Mark T.
- Shields, Michael R.
- Kane, Brian J.
- Christopher, Robin
- Boyle, Dennis J.
- Skillman, Peter N.
- Seiber, Charles A.
- Chang, Joseph
- Hand, Ric
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출원인 / 주소 |
- Steelcase Development Corporation
|
대리인 / 주소 |
Price, Heneveld, Cooper, DeWitt & Litton
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인용정보 |
피인용 횟수 :
22 인용 특허 :
103 |
초록
▼
A knock-down partition panel frame includes a pair of spaced apart generally upright posts, each having at least one receptacle defining a tapered surface. The partition panel frame further includes at least one generally horizontal member extending between and interconnecting the posts. The horizon
A knock-down partition panel frame includes a pair of spaced apart generally upright posts, each having at least one receptacle defining a tapered surface. The partition panel frame further includes at least one generally horizontal member extending between and interconnecting the posts. The horizontal member includes fastenerless connectors at opposite ends thereof, each having at least one connecting element engaging with the tapered surface to thereby securely interconnect the posts and the horizontal member to define a rigid partition frame having an interior space. A cover panel is secured to the partition frame, and closes off at least a portion of the interior space.
대표청구항
▼
A knock-down partition panel frame includes a pair of spaced apart generally upright posts, each having at least one receptacle defining a tapered surface. The partition panel frame further includes at least one generally horizontal member extending between and interconnecting the posts. The horizon
A knock-down partition panel frame includes a pair of spaced apart generally upright posts, each having at least one receptacle defining a tapered surface. The partition panel frame further includes at least one generally horizontal member extending between and interconnecting the posts. The horizontal member includes fastenerless connectors at opposite ends thereof, each having at least one connecting element engaging with the tapered surface to thereby securely interconnect the posts and the horizontal member to define a rigid partition frame having an interior space. A cover panel is secured to the partition frame, and closes off at least a portion of the interior space. ly conical shape and said chamfered or cut-away edge is formed by an enlarged partial cone at the projection head. 11. A tag as claimed in claim 10 wherein said enlarged partial cone is a half-cone. speed of the dried air of about 2 to 5 m/s, preferably about 3 m/s, and in the second drying stage with about 3 times the outlet speed, preferably about 10 to 12 m/s. 10. Method according to claim 7, wherein an approximately equal dwell time of the articles (2) to be dried is maintained in both stages. 11. Method according to claim 7, wherein the painted articles (2) are loaded with the dried air by a forced convection at a lower speed in the first drying stage than in the second drying stage. 12. Method according to claim 1, wherein the fraction of circulated air to be dried is filtered (spent-air filter 33) before it enters the air drying device(11) and the total recirculated air is likewise filtered (supply-air filter 34) before it enters the drying housing. 13. Method according to claim 1, wherein in the case of drying plants operated continuously by being fed at one end and, after the articles have passed through the drier housing designed as a drying tunnel (1,1'), emptied at the other end, an excess of air is added continuously on the supply-air side, as compared with the air extracted on the spent-air side, as a result of an addition of ambient air to the air recirculating to the drying tunnel (1,1'), thus preventing an uncontrolled ingress of air from adjacent treatment zones into the drying zone of the drying tunnel (1,1'), and, furthermore, the air circulated in the latter at the same time is renewed continuously, albeit slowly. 14. Method according to claim 13, wherein a fraction of about 1 to 8% by volume, with respect to the total circulated air quantity, preferably about 3% by volume, of ambient air is continuously added to the air recirculated into the drying tunnel (1,1'). 15. Method according to claim 13, wherein the ambient air, before being added to the circulating air, is cooled (evaporator 20') to about 5 to 15° C., preferably to about 10° C. 16. Appliance for the non-thermal drying of a water-based paint freshly applied to motor vehicle bodies, comprising: a drier housing with a drying tunnel temporarily receiving the freshly painted articles, a spent-air line which discharges moisture-laden air from the drier housing and supplies it to an air drying device which contains a suction blower, said air drying device containing a cold trap for extracting the moisture from the circulating air by condensation and which dries the air to a specific circulating-air target moisture, and a supply-air line leading the dried air back into the drier housing and containing a supply-air blower, wherein a bypass line (30) is provided which branches off from the spent-air stream upstream of the suction blower (6) and bypasses the air drying device (11) and conducts untreated air to the supply-air blower (31), wherein the suction blower (6) is provided with a variable-speed drive (7) and conveys only a variable fraction of circulated air through the air drying device (11) which amounts to a maximum of about 60% by volume of the total circulated air, wherein the air drying device (11) is dimensioned and designed in such a way that in the case of a maximum loading of the spent air with moisture and with maximum load being applied to the air drying device (11), the air treated in the latter can be dried to a markedly lower value, preferably half the value, of the circulating-air target moisture, wherein the bypass line (30) and the line emerging at the air drying device (11) and carrying the dried air are combined upstream of the supply-air blower (31), wherein a controller (8) is provided which processes measurement data from a moisture sensor (10) located on the supply-air side and/or those from a moisture sensor (9) located on the spent-air side and by means of which the conveying capacity of the suction blower (6) can be varied automatically via the rotational drive speed of the latter, in such a way that the desired circulating-air target moisture can be maintained on the supply-air side. 17. Appliance accord
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