Patent US3575217A successfully refreshed from Google Patents.
US3575217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for storing weft material in weaving machines
Assignee: Sulzer AG
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Filing: 1969-03-19
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Granted: 1971-04-20
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Expires: 1989-03-19
Abstract
Abstract The storage container is situated between the bobbin and the shed of the weaving machine to permit laying up of the weft material for subsequent picking into the shed. The container can be vertically arranged or curved and can be subjected to an internal airstream for guiding of the weft material through the box.
Inventors
- 👤 Erwin Pfarrwaller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:26
CPC Classifications
D; D03; D03D; D03D47/00; D03D47/34; D03D47/36; D03D47/368
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
87 words
In combination with a weft bobbin having a supply of weft material thereon and disposed outside a shed of a weaving machine, a storage device for storing the weft material comprising a container positioned between said weft bobbin and said shed for receiving and laying in a certain length of weft material said container having a first opening at one end for receiving the weft material from said weft bobbin and a second opening at an opposite end for delivering the stored weft material to said shed.
Claim 2
Dependent Claim
87 words
In combination with a weft bobbin having a supply of weft material thereon and disposed outside a shed of a weaving machine, a storage device for storing the weft material comprising a container positioned between said weft bobbin and said shed for receiving and laying in a certain length of weft material said container having a first opening at one end for receiving the weft material from said weft bobbin and a second opening at an opposite end for delivering the stored weft material to said shed.
Claim 3
Dependent Claim
51 words
The combination as set forth in claim 1 wherein the weft material is a weft tape and said container is of box shape having an internal width sized to receive the width of the weft tape whereby the weft tape can be laid into said container in the form of loops.
Claim 4
Dependent Claim
16 words
The combination as set forth in claim 2 wherein said container is curved between said openings.
Claim 5
Dependent Claim
91 words
In combination with a weft bobbin having a supply of weft material thereon and disposed outside a shed of a weaving machine, a storage device for storing the weft material comprising a container positioned between said weft bobbin and said shed for receiving and laying in a certain length of weft material said container being curved with an inlet opening at one end for receiving the weft tape and an outlet opening at the same level as said inlet opening at the opposite end for withdrawal of the stored weft tape.
Claim 6
Dependent Claim
91 words
In combination with a weft bobbin having a supply of weft material thereon and disposed outside a shed of a weaving machine, a storage device for storing the weft material comprising a container positioned between said weft bobbin and said shed for receiving and laying in a certain length of weft material said container being curved with an inlet opening at one end for receiving the weft tape and an outlet opening at the same level as said inlet opening at the opposite end for withdrawal of the stored weft tape.
Claim 7
Dependent Claim
32 words
The combination as set forth in claim 1 wherein said storage device further comprises a drive means between said weft bobbin and said container for directing the weft material towards said container.
Claim 8
Dependent Claim
16 words
The combination as set forth in claim 5 wherein said drive means is continuous in structure.
Claim 9
Dependent Claim
23 words
The combination as set forth in claim 5 wherein said drive means cooperates with said weft bobbin to drive said weft bobbin directly.
Claim 10
Dependent Claim
44 words
The combination as set forth in claim 5 wherein said drive means includes a pair of pulleys for gripping the weft material therebetween, and a motor means for rotating at least one of said pulleys to withdraw the weft material from said weft bobbin.
Claim 11
Dependent Claim
27 words
The combination as set forth in claim 5 which further comprises a braking means connected with said weft bobbin for braking the rotation of said weft bobbin.
Claim 12
Dependent Claim
83 words
In combination with a weft bobbin having a supply of weft material thereon and disposed outside a shed of a weaving machine, a storage device for storing the weft material comprising a container positioned between said weft bobbin and said shed for receiving and laying in a certain length of weft material and a movable guide means upstream of said container for guiding the weft material into said container in a regular fashion to form tHe weft material into loops within said container.
Claim 13
Dependent Claim
83 words
In combination with a weft bobbin having a supply of weft material thereon and disposed outside a shed of a weaving machine, a storage device for storing the weft material comprising a container positioned between said weft bobbin and said shed for receiving and laying in a certain length of weft material and a movable guide means upstream of said container for guiding the weft material into said container in a regular fashion to form tHe weft material into loops within said container.
Claim 14
Dependent Claim
56 words
The combination as set forth in claim 10 wherein said storage device further comprises a drive means between said weft bobbin and said guide means for directing the weft material towards said container, said drive means being connected to said movable guide means to oscillate said guide means in response to actuation of said drive means.
Claim 15
Dependent Claim
24 words
The combination as set forth in claim 1 wherein said storage device further comprises means for directing a flow of air through said container.
Claim 16
Dependent Claim
29 words
The combination as set forth in claim 12 wherein said means directs the flow of air in the same direction as the advance of weft material through said container.
Claim 17
Dependent Claim
44 words
The combination as set forth in claim 12 wherein said means includes a sievelike bottom in said container and an air suction means communicating through said sievelike bottom for drawing a stream of air from the top of said container through said sievelike bottom.
Claim 18
Dependent Claim
59 words
The combination as set forth in claim 1 wherein said storage device further includes drive means for driving the weft material into said container and a control means for controlling said drive means to control the quantity of weft material laid into said container per unit of time in response to the quantity of weft material in said container.
Claim 19
Dependent Claim
52 words
The combination as set forth in claim 15 wherein said control means includes at least one photoelectric means mounted on said container to detect the presence of weft material at a predetermined level in said container and to emit a signal in response thereto for changing the speed of said drive means.
Claim 20
Dependent Claim
58 words
The combination as set forth in claim 16 wherein said photoelectric means includes a light source on one side of said container and a photoelectric cell on the opposite side in offset relation to said light source whereby the range from said light source can pass through a plurality of portions of the weft material in said container.
Claim 21
Dependent Claim
68 words
In combination with a weft bobbin having a supply of weft material thereon and disposed outside a shed of a weaving machine, a storage device for storing the weft material comprising a container positioned between said weft bobbin and said shed for receiving and laying in a certain length of weft material and means for electrically discharging weft material containing a synthetic plastic material supplied to said container.
Claim 22
Dependent Claim
68 words
In combination with a weft bobbin having a supply of weft material thereon and disposed outside a shed of a weaving machine, a storage device for storing the weft material comprising a container positioned between said weft bobbin and said shed for receiving and laying in a certain length of weft material and means for electrically discharging weft material containing a synthetic plastic material supplied to said container.
Claim 23
Dependent Claim
22 words
The combination as set forth in claim 18 wherein said means includes a bath of antistatic fluid for coating the weft material.
Claim 24
Dependent Claim
56 words
The combination as set forth in claim 19 wherein said storage device further comprises a drive means having at least one pulley for contacting and directing the weft material towards said container, and said bath of antistatic fluid is disposed in a dish below said pulley, said dish being positioned for dipping of said pulley thereinto.
Claim 25
Dependent Claim
34 words
The combination as set forth in claim 1 wherein said container is in the form of a box having a width which is less than the length thereof and less than the height thereof.
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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |