US4660501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating device
Assignee: Sunstar Giken KK
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Filing: 1985-05-21
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Granted: 1987-04-28
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Expires: 2005-05-21
Abstract
Abstract A coating device comprises a liquid composition supply unit for continuously supplying a liquid composition at a fixed rate, and coating unit for applying the liquid composition to a surface of an article to be coated, the coating unit comprising a coating head composed of a coating member mounted on a supporting frame pivotally mounted to the head and connected to the liquid composition supply unit, and a driving unit for moving the coating unit along the surface of the article to be coated. A preferred embodiment of the device includes an anti-curing unit for preventing curing of the liquid composition on a surface of the coating member, comprising an anti-curing tank provided with an opening through which the coating unit may come in and out of the tank and a shutter which is adapted to open and close the opening. The coating device is particularly useful for applying the liquid composition to an article with a three-dimensional curved surface.
Inventors
- 👤 Tsuyoshi Nagata
- 👤 Katsuto Fujita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:41
CPC Classifications
B; B05; B05C; B05C9/00; B05C1/00; B05C1/02; B05C9/08
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
142 words
A coating device comprising a liquid composition supply unit for continuously supplying a liquid composition at a fixed rate and a coating unit for applying the liquid composition to a surface of an article to be coated, said coating unit comprising a coating head, on which is pivotally mounted a supporting frame which has a coating member mounted thereon, said coating head being connected to said liquid composition supply unit, and a driving unit for moving the coating head along the surface of the article to be coated; and further comprising an anti-curing unit for preventing curing of the liquid composition on a surface of the coating member, comprising an anti-curing tank provided with an opening through which the coating unit may come in and out of the anti-curing tank and a shutter which is adapted to open and close the opening.
Claim 2
Dependent Claim
142 words
A coating device comprising a liquid composition supply unit for continuously supplying a liquid composition at a fixed rate and a coating unit for applying the liquid composition to a surface of an article to be coated, said coating unit comprising a coating head, on which is pivotally mounted a supporting frame which has a coating member mounted thereon, said coating head being connected to said liquid composition supply unit, and a driving unit for moving the coating head along the surface of the article to be coated; and further comprising an anti-curing unit for preventing curing of the liquid composition on a surface of the coating member, comprising an anti-curing tank provided with an opening through which the coating unit may come in and out of the anti-curing tank and a shutter which is adapted to open and close the opening.
Claim 3
Dependent Claim
104 words
A coating device as claimed in claim 1, wherein the liquid composition supply unit comprises a liquid composition tank and a first pump for delivering the liquid composition from the liquid composition tank to the coating head at a fixed rate, and wherein the device further comprises a solvent supply unit for supplying vapor of a solvent to the liquid composition tank, comprising a solvent tank connected to the liquid composition tank, a second pump to supply the solvent vapor from the solvent tank to the liquid composition tank and a pressure control valve to keep the pressure in the liquid composition tank constant.
Claim 4
Dependent Claim
211 words
A coating device for applying a liquid composition to a three-dimensional curved surface of an article to be coated comprising: (a) a liquid composition supply unit comprising a liquid composition tank and a first pump for delivering the liquid composition from the tank at a fixed rate; (b) a coating unit for applying the liquid composition to the three-dimensional curved surface of the article to be coated, comprising a holder, an attachment mounted on the holder, and a coating head mounted on the attachment and connected to the liquid composition pump through a first pipe, said coating head comprising a supporting frame and a sponge-like coating member mounted on the supporting frame for applying the liquid composition to the three-dimensional curved surface of the article to be coated, said supporting frame being pivotally mounted on the attachment and pivotally connected at its one end to a slider by means of an arm, said slider being slidably mounted on the attachment and biased downwardly by a spring to allow the coating member to follow changes of the curved surface of the article to be coated; and (c) a driving unit for moving the coating unit along the surface of the article to be coated, said holder being attached to the driving unit.
Claim 5
Dependent Claim
211 words
A coating device for applying a liquid composition to a three-dimensional curved surface of an article to be coated comprising: (a) a liquid composition supply unit comprising a liquid composition tank and a first pump for delivering the liquid composition from the tank at a fixed rate; (b) a coating unit for applying the liquid composition to the three-dimensional curved surface of the article to be coated, comprising a holder, an attachment mounted on the holder, and a coating head mounted on the attachment and connected to the liquid composition pump through a first pipe, said coating head comprising a supporting frame and a sponge-like coating member mounted on the supporting frame for applying the liquid composition to the three-dimensional curved surface of the article to be coated, said supporting frame being pivotally mounted on the attachment and pivotally connected at its one end to a slider by means of an arm, said slider being slidably mounted on the attachment and biased downwardly by a spring to allow the coating member to follow changes of the curved surface of the article to be coated; and (c) a driving unit for moving the coating unit along the surface of the article to be coated, said holder being attached to the driving unit.
Claim 6
Dependent Claim
58 words
The coating device as claimed in claim 3, wherein said first pump comprises a gear pump with a variable capacity and is driven by a pulse motor to deliver the liquid composition at a predetermined constant rate to a valve mounted on the holder of the coating unit, and wherein the coating member is connected to the valve.
Claim 7
Dependent Claim
78 words
The coating device as claimed in claim 3, further comprising a first solvent supply unit for supplying vapor of a solvent to the liquid composition tank, said first solvent supply unit comprising a solvent tank connected to the liquid composition tank through a second pipe, a second pump to supply vapor of the solvent from the solvent tank to the liquid composition tank, and a pressure control valve to keep the pressure in the liquid composition tank constant.
Claim 8
Dependent Claim
67 words
The coating device as claimed in claim 3 further comprising an anti-curing unit for preventing the liquid composition on the coating member from drying and curing, said unit comprising an anti-curing tank provided with an opening through which the coating unit may come in and out of the anti-curing tank, and a shutter mounted in the anti-curing tank which is adapted to open and close the opening.
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) | 1990-04-27 | 1990-10-27 | 1991-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-04-27 | 1994-10-27 | 1995-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-04-27 | 1998-10-27 | 1999-04-28 | $7700.00 | Window Closed / Lapsed |