Patent US3997928A successfully refreshed from Google Patents.
US3997928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the treatment of textile, fleece and similar webs
Assignee: Individual
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Filing: 1975-01-27
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Granted: 1976-12-21
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Expires: 1995-01-27
Abstract
Abstract An improved method for the treatment of a web material such as a textile, fleece or similar web which is continuously moving and is patterned by means of printing, dyeing or the like and the pattern fixed with remaining patterning and treating agents washed out thereafter, additional steps in which, after the fixing treatment and before the washing step, the web of material has applied to it a quantity of a rinsing liquid just sufficient to moisten the fibers of the web at their surface and the rinsing liquid immediately thereafter suctioned away are included in the process. Also disclosed is apparatus for carrying out the process.
Inventors
- 👤 Ferdinand Leifeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 22:18
CPC Classifications
D; D06; D06B; D06B1/00; D06B1/04; D06B1/06; D06B15/00; D06B15/04; D06B15/043; D06B5/00; D06B5/02; D06B5/08
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
99 words
In a method for the treatment of a web of material such as a textile or fleece material which comprises the steps of: a. continuously moving the web; b. patterning the web; c. fixing the pattern; and d. washing out the remaining patterning treating agents the improvement comprising performing, after fixing and before washing, the steps of: e. directing onto the surface of the web from an external source a quantity of rinsing liquid which is just sufficient to moisten the surface of fibers of the web; and f. immediately thereafter suctioning the rinsing liquid away from the web.
Claim 2
Dependent Claim
99 words
In a method for the treatment of a web of material such as a textile or fleece material which comprises the steps of: a. continuously moving the web; b. patterning the web; c. fixing the pattern; and d. washing out the remaining patterning treating agents the improvement comprising performing, after fixing and before washing, the steps of: e. directing onto the surface of the web from an external source a quantity of rinsing liquid which is just sufficient to moisten the surface of fibers of the web; and f. immediately thereafter suctioning the rinsing liquid away from the web.
Claim 3
Dependent Claim
19 words
The method of claim 1 wherein the rinsing liquid is applied to the web while said liquid is hot.
Claim 4
Dependent Claim
27 words
The method according to claim 1 wherein the web is a web having a pile and wherein said rinsing liquid is sucked away from the pile side.
Claim 5
Dependent Claim
148 words
Apparatus for the treatment of a web of material such as a textile or fleece comprising: a. means for continuously moving the web of material; b. means for patterning the moving web of material; c. means following said patterning means for fixing the pattern applied to the web; and d. means for washing said web following said means for fixing wherein the improvement comprises, disposed between said means for fixing and means for washing in the direction of travel; e. means for directing a rinsing liquid from an external source onto the surface of and across the width of the web of material in an amount which is just sufficient to moisten the surface of fibers of the web; and f. suction means immediately behind said means for applying rinsing liquid in the direction of travel for sucking away said rinsing liquid across the width of said web.
Claim 6
Dependent Claim
148 words
Apparatus for the treatment of a web of material such as a textile or fleece comprising: a. means for continuously moving the web of material; b. means for patterning the moving web of material; c. means following said patterning means for fixing the pattern applied to the web; and d. means for washing said web following said means for fixing wherein the improvement comprises, disposed between said means for fixing and means for washing in the direction of travel; e. means for directing a rinsing liquid from an external source onto the surface of and across the width of the web of material in an amount which is just sufficient to moisten the surface of fibers of the web; and f. suction means immediately behind said means for applying rinsing liquid in the direction of travel for sucking away said rinsing liquid across the width of said web.
Claim 7
Dependent Claim
35 words
Apparatus according to claim 4 wherein said suction means is placed a distance from said means for applying rinsing liquid which is the minimum distance permitting a continuous film to build up on said web.
Claim 8
Dependent Claim
26 words
Apparatus according to claim 4 wherein said suction means is placed at essentially the same position along said web as said means for applying rinsing liquid.
Claim 9
Dependent Claim
30 words
Apparatus according to claim 4 wherein said suction means are placed at a short distance from said means for applying rinsing liquid in the direction of movement of said web.
Claim 10
Dependent Claim
28 words
Apparatus according to claim 4 wherein said web is a web having a pile and wherein said suction means are disposed on the pile side of said web.
Claim 11
Dependent Claim
82 words
Apparatus according to claim 4 wherein said suction means comprises a fixed suction chamber having a suction slot extending transversely across said web and further including, between said web and said suction slot, a sieve band supported for endless rotation about said suction chamber, said sieve band being arranged to come into engagement with said web in the area of said suction chamber and being carried along with said continuously moving web thereafter, said sieve thereby endlessly rotating about said suction chamber.
Claim 12
Dependent Claim
39 words
Apparatus according to claim 9 and further including means for guiding said web and said sieve band so as to prevent engagement of said sieve band with said web until they reach the immediate area of said suction slot.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-12-21 | 1980-06-21 | 1980-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-12-21 | 1984-06-21 | 1984-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-12-21 | 1988-06-21 | 1988-12-21 | $7700.00 | Window Closed / Lapsed |