Patent US3920431A successfully refreshed from Google Patents.
US3920431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binder applicator for glass fiber coating and method of using
Assignee: PPG Industries Inc
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Filing: 1974-09-12
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Granted: 1975-11-18
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Expires: 1994-09-12
Abstract
Abstract An applicator for use in applying binders and sizes to textile fibers is described which utilizes an endless belt as the applicator surface. The belt is rotated continuously during application in a housing on an inclined plane by running the belt over rollers spaced from each other in the housing. One roller is placed in close proximity to the top of the housing adjacent an opening in the front thereof and the second roller is positioned adjacent the mid to lower portion of the housing. In operation the endless belt contacts textile strands as it passes over the small roller located adjacent the front opening in the housing and contacts the binder or size solution as it passes over the lower roller positioned near the middle lower part of the housing by being immersed in binder or size solution maintained in that part of the housing by a sump arrangement. The positioning of the two rollers is such to insure that the endless belt continuously is drawn through the binder solution prior to contact with textile strands drawn over and in contact therewith. An elongated slot is provided in the housing preferably in the back wall thereof to provide for free flow of ambient air therethrough during operation to prevent binder blow back at the point of contact of the belt and the textile fibers.
Inventors
- 👤 Walter J Reese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:42
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/12; C03C25/20; B; B65; B65H; B65H71/00; B65H71/007; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
127 words
AN APPLICATOR FOR USE IN APPLYING SOLUTIONS OF BINDERS AND/OR SIZES TO FILAMENTS COMPRISING A HOUSING HAVING SIDE WALLS, A BOTTOM AND A TOP SPACED ABOVE AT LEAST ONE OF SAID SIDE WALLS, AN ENDLESS BELT CONSTRUCTED TO RIDE AROUND AT LEAST TWO ROLLERS POSITIONED WITHIN SAID HOUSING, AN OPENING AT THE FRONT OF SAID HOUSING THROUGH WHICH THE BELT PROTRUDES AS IT PASSES OVER ONE ROLLER, AN ELONGATED SLOT INSIDE OF SAID HOUSING AND FORMED BY SPACING SAID TOP ABOVE ONE OF SAID SIDE WALLS, SAID SLOT BEING LOCATED AT A POINT INSIDE OF SAID HOUSING REMOTE FROM SAID OPENING AT THE FRONT OF SAID HOUSING, AND MEANS TO PASS SAID BELT IN CONTACT WITH FLUID IN SAID HOUSING TO APPLY FLUID TO THE SURFACE THEREOF.
Claim 2
Dependent Claim
127 words
AN APPLICATOR FOR USE IN APPLYING SOLUTIONS OF BINDERS AND/OR SIZES TO FILAMENTS COMPRISING A HOUSING HAVING SIDE WALLS, A BOTTOM AND A TOP SPACED ABOVE AT LEAST ONE OF SAID SIDE WALLS, AN ENDLESS BELT CONSTRUCTED TO RIDE AROUND AT LEAST TWO ROLLERS POSITIONED WITHIN SAID HOUSING, AN OPENING AT THE FRONT OF SAID HOUSING THROUGH WHICH THE BELT PROTRUDES AS IT PASSES OVER ONE ROLLER, AN ELONGATED SLOT INSIDE OF SAID HOUSING AND FORMED BY SPACING SAID TOP ABOVE ONE OF SAID SIDE WALLS, SAID SLOT BEING LOCATED AT A POINT INSIDE OF SAID HOUSING REMOTE FROM SAID OPENING AT THE FRONT OF SAID HOUSING, AND MEANS TO PASS SAID BELT IN CONTACT WITH FLUID IN SAID HOUSING TO APPLY FLUID TO THE SURFACE THEREOF.
Claim 3
Independent Claim
150 words
A method of applying a solution to one or more filaments being drawn from a filament forming process comprising passing said filaments at a speed of at least 2,438.4 meters per minute in contact with an endless belt having the desired solution thereon to thereby apply fluid to the surface of said filaments, said solution being placed on said blet by passing the belt through the solution in an enclosed container which is open at the point of contact of the filaments with said belt, passing high velocity air from the opening of said enclosed container at the point of contact of the filaments and the belt through the container and continuously removing said high velocity air from the interior of said container and passing it to the exterior thereof continuously at a point in the container remote from the point of contact of the filaments with the said belt.
Claim 4
Independent Claim
150 words
A method of applying a solution to one or more filaments being drawn from a filament forming process comprising passing said filaments at a speed of at least 2,438.4 meters per minute in contact with an endless belt having the desired solution thereon to thereby apply fluid to the surface of said filaments, said solution being placed on said blet by passing the belt through the solution in an enclosed container which is open at the point of contact of the filaments with said belt, passing high velocity air from the opening of said enclosed container at the point of contact of the filaments and the belt through the container and continuously removing said high velocity air from the interior of said container and passing it to the exterior thereof continuously at a point in the container remote from the point of contact of the filaments with the said belt.
Claim 5
Dependent Claim
32 words
The applicator of claim 1 wherein the top member rests on two side walls and the back wall is sloped upwardly to a point ending below the surface of the top member.
Claim 6
Dependent Claim
17 words
The applicator of claim 1 wherein the bottom and side walls of said applicator housing are hinged.
Claim 7
Dependent Claim
11 words
The applicator of claim 4 wherein said top member is hinged.
Claim 8
Dependent Claim
127 words
An applicator for use in applying solution to a moving strand or filament comprising a housing, said housing being open at one end and having a roller positioned in said opening, a second roller located in said housing in a lower portion thereof, an endless belt positioned over said rollers and driven by at least one of said rollers, means to feed solution to said housing, means to maintain the solution fed to the housing at a level in the housing sufficient to contact the solution with said belt during movement thereof, pressure relieving means positioned in said housing at a point remote from the open end thereof and of a size sufficient to provide for the exhausting of all high velocity air entering said roller opening.
Claim 9
Dependent Claim
127 words
An applicator for use in applying solution to a moving strand or filament comprising a housing, said housing being open at one end and having a roller positioned in said opening, a second roller located in said housing in a lower portion thereof, an endless belt positioned over said rollers and driven by at least one of said rollers, means to feed solution to said housing, means to maintain the solution fed to the housing at a level in the housing sufficient to contact the solution with said belt during movement thereof, pressure relieving means positioned in said housing at a point remote from the open end thereof and of a size sufficient to provide for the exhausting of all high velocity air entering said roller opening.
Claim 10
Dependent Claim
152 words
An applicator for applying solution to strands or filaments comprising an enclosed housing having an endless belt therein, at least two rollers positioned in said housing and constructed and arranged to rotate said belt around each roller, one of said rollers being positioned adjacent the top of said housing in an elongated opening provided therein, a second roller positioned near the bottom of said housing, a means to feed the solution to the housing, means to maintain the level of solution in said housing at a depth sufficient to insure contact of said belt therewith during rotation of the belt around said rollers, a pressure relieving slot located in the back of said housing between the top and bottom thereof and in said back wall, said opening being of sufficient size to vent all air introduced into the housing during operation of said applicator through the opening located in the front thereof.
Claim 11
Dependent Claim
152 words
An applicator for applying solution to strands or filaments comprising an enclosed housing having an endless belt therein, at least two rollers positioned in said housing and constructed and arranged to rotate said belt around each roller, one of said rollers being positioned adjacent the top of said housing in an elongated opening provided therein, a second roller positioned near the bottom of said housing, a means to feed the solution to the housing, means to maintain the level of solution in said housing at a depth sufficient to insure contact of said belt therewith during rotation of the belt around said rollers, a pressure relieving slot located in the back of said housing between the top and bottom thereof and in said back wall, said opening being of sufficient size to vent all air introduced into the housing during operation of said applicator through the opening located in the front thereof.
Claim 12
Dependent Claim
16 words
The applicator of claim 7 including means to move said housing away from the said rollers.
Claim 13
Dependent Claim
31 words
The apparatus of claim 7 wherein said housing is hinged for movement away from said rollers and include means to maintain the housing in a position covering said rollers during operation.
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) | 1978-11-17 | 1979-05-19 | 1979-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-17 | 1983-05-19 | 1983-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-17 | 1987-05-19 | 1987-11-18 | $7700.00 | Window Closed / Lapsed |