US3773191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for arranging creels of drawing machines
Assignee: Teijin Ltd
•
Filing: 1971-11-30
•
Granted: 1973-11-20
•
Expires: 1991-11-30
Abstract
Abstract Method of and apparatus for arranging the creels of drawing machines by replacing empty bobbins on the creel with full bobbins of undrawn yarn by accommodating creel trucks loaded with full bobbins on a stand-by platform connected with the ends of truck paths over a number of drawing machines installed in parallel to each other, removing a train of empty creel trucks from the truck paths on the drawing machine and leading a train of fresh creel trucks onto the truck paths over the drawing machines.
Inventors
- 👤 K Ishida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:22
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/14; D01H1/18; D01H1/183; D01H9/00; D01H9/18
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
130 words
In a method of replacing yarn packages of undrawn yarn to be drawn in drawing machines by leading creel trucks loaded with the undrawn yarn packages to truck paths mounted over the drawing machines, and using the creel trucks as the creels, the improvement comprising placing the creel trucks loaded with full packages on a stand-by platform adjacent the ends of the truck paths; at the time of replacing emptied packages by the full packages, withdrawing the creel trucks loaded with the emptied packages from a truck path to the stand-by platform and immediately feeding the creel trucks loaded with full packages from the stand-by platform to the truck path; lowering the empty creel trucks from the stand-by platform; and lifting full creel trucks to the stand-by platform for storage.
Claim 2
Dependent Claim
130 words
In a method of replacing yarn packages of undrawn yarn to be drawn in drawing machines by leading creel trucks loaded with the undrawn yarn packages to truck paths mounted over the drawing machines, and using the creel trucks as the creels, the improvement comprising placing the creel trucks loaded with full packages on a stand-by platform adjacent the ends of the truck paths; at the time of replacing emptied packages by the full packages, withdrawing the creel trucks loaded with the emptied packages from a truck path to the stand-by platform and immediately feeding the creel trucks loaded with full packages from the stand-by platform to the truck path; lowering the empty creel trucks from the stand-by platform; and lifting full creel trucks to the stand-by platform for storage.
Claim 3
Dependent Claim
41 words
The method as set forth in claim 1 in which a carriage loaded with plural creel trucks is lifted at the edge of the stand-by platform with a forklift truck to push out only the creel trucks onto the stand-by platform.
Claim 4
Dependent Claim
39 words
The method as set forth in claim 2 in which after the creel trucks are pushed out from the carriage on the forklift truck, the emptied creel trucks on the stand-by platform are pulled into the carriage and lowered.
Claim 5
Dependent Claim
56 words
The method as set forth in claim 1 in which in feeding the creel trucks loaded with full packages to the truck paths, a wire is caused to catch the first creel truck, subsequent creel trucks are in turn pushed in and when the creel trucks are emptied, they are simultaneously withdrawn by pulling the wire.
Claim 6
Dependent Claim
52 words
The method as set forth in claim 1 in which the full creel trucks to be supplied to the truck paths are arranged in one of two paths on the stand-by platform and the emptied creel trucks withdrawn from the truck paths are placed on the other path on the stand-by platform.
Claim 7
Dependent Claim
17 words
The method as set forth in claim 4 in which the wire is pulled with a winch.
Claim 8
Dependent Claim
33 words
The method as set forth in claim 5 in which the direction of the creel trucks is changed with turn tables disposed opposite the entrance of each truck path from the stand-by platform.
Claim 9
Dependent Claim
85 words
Apparatus for replacing yarn packages for use with drawing machines having drawing units on both sides thereof comprising a plurality of truck paths arranged above the drawing machines and extending therealong; a stand-by platform disposed over the ends of the drawing machines and connecting said truck paths; a plurality of creel trucks for carrying yarn packages, each of said creel trucks mounted on wheels to roll along said truck paths and said stand-by platform; and means for lifting said creel trucks onto said stand-by platform.
Claim 10
Dependent Claim
85 words
Apparatus for replacing yarn packages for use with drawing machines having drawing units on both sides thereof comprising a plurality of truck paths arranged above the drawing machines and extending therealong; a stand-by platform disposed over the ends of the drawing machines and connecting said truck paths; a plurality of creel trucks for carrying yarn packages, each of said creel trucks mounted on wheels to roll along said truck paths and said stand-by platform; and means for lifting said creel trucks onto said stand-by platform.
Claim 11
Dependent Claim
34 words
The apparatus as set forth in claim 8 and further comprising a plurality of carriages movable by said lifting means, each of said carriages supporting a plurality of said creel trucks in stacked relation.
Claim 12
Dependent Claim
52 words
The apparatus as set forth in claim 8 and further comprising a device for pulling said creel trucks from said truck paths to said stand-by platform including a hook connected with one of said creel trucks in said truck paths, a wire tied to said hook and means for winding said wire.
Claim 13
Dependent Claim
48 words
The apparatus as set forth in claim 10 in which each of said truck paths has a groove for receiving said wire, a groove for moving said hook, and an inclined block for holding said hook disposed at the entrance of each truck path from said stand-by platform.
Claim 14
Dependent Claim
45 words
The apparatus as set forth in claim 8 in which said stand-by platform has two parallel paths therealong, a first of said paths receiving creel trucks loaded with full yarn packages and a second of said paths receiving creel trucks loaded with empty yarn packages.
Claim 15
Dependent Claim
26 words
The apparatus as set forth in claim 12 in which said stand-by platform includes turn tables disposed on said two paralleL paths opposite said truck paths.
References Cited (Backward Citations)
US2726505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-19 | 1977-05-21 | 1977-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-19 | 1981-05-21 | 1981-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-19 | 1985-05-21 | 1985-11-20 | $7700.00 | Window Closed / Lapsed |