US4969488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam cleaner for loom reeds
Assignee: Milliken Research Corp
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Filing: 1990-03-14
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Granted: 1990-11-13
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Expires: 2010-03-14
Abstract
Abstract An apparatus to clean the reeds of a weaving machine without removing the reeds from the machine and without disconnecting the warp yarns. A cleaning head is slid down the reed and blows a foaming agent from one of the cavities through the space between the dents into the other of the cavities of the reed and sucks the lint, dust, etc. dislodged by the foaming agent back through the spaces between the dents and directs such to a point of collection.
Inventors
- 👤 Wayne H. Long
- 👤 Francis M. Wardlaw, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:25
CPC Classifications
D; D03; D03J; D03J1/00; D03J1/002
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
130 words
A cleaning head for the reed of a weaving machine comprising: a substantially hollow body, a depending flange member forming a groove between said body and said flange member, said hollow body having means to separate the interior thereof into at least two separate cavities, a first opening in the same side of said body as said flange member communicating with one of said cavities, a second opening on the same side of said body as said flange member communicating with another of said cavities, a third opening in said body communicating with a second of said cavities and adapted to be connected to a suction source and a fourth opening in said body communicating with said second cavity and adapted to be connected to a source of foam cleaner.
Claim 2
Dependent Claim
130 words
A cleaning head for the reed of a weaving machine comprising: a substantially hollow body, a depending flange member forming a groove between said body and said flange member, said hollow body having means to separate the interior thereof into at least two separate cavities, a first opening in the same side of said body as said flange member communicating with one of said cavities, a second opening on the same side of said body as said flange member communicating with another of said cavities, a third opening in said body communicating with a second of said cavities and adapted to be connected to a suction source and a fourth opening in said body communicating with said second cavity and adapted to be connected to a source of foam cleaner.
Claim 3
Dependent Claim
24 words
The cleaning head of claim 1 wherein said first, second, third and fourth openings are all on the same side of said cleaning head.
Claim 4
Dependent Claim
15 words
The cleaning head of claim 2 wherein said first and second openings are elongated slots.
Claim 5
Dependent Claim
12 words
The cleaning head of claim 2 wherein said first opening is U-shaped.
Claim 6
Dependent Claim
25 words
The cleaning head of claim 4 wherein said second opening consists of a plurality of elongated slots located within the confines of the U-shaped opening.
Claim 7
Dependent Claim
24 words
The cleaning head of claim 4 wherein said second opening consists of a plurality of circular openings within the confines of said U-shaped opening.
References Cited (Backward Citations)
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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) | 1993-11-12 | 1994-05-14 | 1994-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-11-12 | 1998-05-14 | 1998-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-11-12 | 2002-05-14 | 2002-11-13 | $7700.00 | Window Closed / Lapsed |