US4518637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating solution metering method and apparatus
Assignee: Fujifilm Holdings Corp
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Filing: 1983-05-19
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Granted: 1985-05-21
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Expires: 2003-05-19
Abstract
Abstract In method of metering a coating solution, a coil bar is rotatably supported on a holder, and after a coating solution is applied to a web which is continuously run, a surplus of coating solution is scraped off with the coil bar, metering is carried out while a solution which is substantially the same in composition as said coating solution is supplied continuously to both sides of the coil bar which are before and after in the direction of run of the web, at a predetermined flow rate.
Inventors
- 👤 Hideo Takeda
- 👤 Tsunehiko Sato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:57
CPC Classifications
B; B05; B05D; B05D1/00; B05D1/28; B05C; B05C11/00; B05C11/02; B05C11/023; B05C11/025; G; G03; G03C; G03C1/00; G03C1/74; B05C3/00; B05C3/18
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
82 words
A method of metering a coating solution wherein a coil bar is rotatably supported on a holder comprising the steps of: continuously supplying a solution substantially the same as said coating solution to both sides of the coil bar at parallel positions upstream and downstream in the direction of running of the web, at a predetermined flow rate, applying said solution to said coil bar to wet said coil bar and, removing surplus solution by scraping said web with said coil bar.
Claim 2
Independent Claim
82 words
A method of metering a coating solution wherein a coil bar is rotatably supported on a holder comprising the steps of: continuously supplying a solution substantially the same as said coating solution to both sides of the coil bar at parallel positions upstream and downstream in the direction of running of the web, at a predetermined flow rate, applying said solution to said coil bar to wet said coil bar and, removing surplus solution by scraping said web with said coil bar.
Claim 3
Independent Claim
89 words
An apparatus for metering a coating solution coated on a continuously running web comprising, a coil bar and a holder for rotatably supporting said coil bar, said holder having two solution-supplying slots with upper ends opening in parallel at both sides of the coil bar at positions upstream and downstream in the direction of running of the web, wherein slots are adapted to apply a solution which is substantially the same in composition as the coating solution is supplied from said source at a predetermined flow rate during metering.
Claim 4
Independent Claim
89 words
An apparatus for metering a coating solution coated on a continuously running web comprising, a coil bar and a holder for rotatably supporting said coil bar, said holder having two solution-supplying slots with upper ends opening in parallel at both sides of the coil bar at positions upstream and downstream in the direction of running of the web, wherein slots are adapted to apply a solution which is substantially the same in composition as the coating solution is supplied from said source at a predetermined flow rate during metering.
Claim 5
Dependent Claim
19 words
The apparatus of claim 2 wherein said slots having openings spaced corresponding to the diameter of said coil bar.
Claim 6
Dependent Claim
16 words
The apparatus of claim 2 wherein said holder defines walls for each of said solution-supplying slots.
Claim 7
Dependent Claim
29 words
The apparatus of claim 2 further comprising slide surface adapted to remove excess solution disposed upstream and downstream of said solution-supplying slots in the direction of said running web.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-05-20 | 1988-11-19 | 1989-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-05-20 | 1992-11-19 | 1993-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-05-20 | 1996-11-19 | 1997-05-21 | $7700.00 | Window Closed / Lapsed |