US3564958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn handling apparatus
Assignee: Leesona Corp
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Filing: 1969-02-12
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Granted: 1971-02-23
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Expires: 1989-02-12
Abstract
Abstract Apparatus for handling a strand of yarn continuously advancing at high speed through a winding machine. The strand is cut and an injector plunger and jet divert the strand into an aspirator which passes the strand to a disposal container. An aspirator for handling strandular materials such as yarn constructed to provide a vortex encircled by a high speed laminar fluid stream which substantially increases the capacity of the aspirator for controlling the strandular material which has been directed into the aspirator.
Inventors
- 👤 Hans H Richter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:36
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/70; B65H54/71; B65H54/86; B65H54/88; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2066; Y10T83/207; Y10T83/323; Y10T83/647; Y10T83/6472
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
100 words
Apparatus for handling a strand of yarn advancing from a supply comprising, a strand receiver having an opening therein for the reception of said strand, means creating a fluid stream within said receiver to induce the strand through the receiver, injector means operable to engage and direct the strand toward said openings, severing means operable after engagement of the strand by the injector means to sever the strand, and fluid means cooperative with said injector means to tension the strand during severing and for carrying the strand advancing from said supply into said fluid stream after severing of said strand.
Claim 2
Dependent Claim
100 words
Apparatus for handling a strand of yarn advancing from a supply comprising, a strand receiver having an opening therein for the reception of said strand, means creating a fluid stream within said receiver to induce the strand through the receiver, injector means operable to engage and direct the strand toward said openings, severing means operable after engagement of the strand by the injector means to sever the strand, and fluid means cooperative with said injector means to tension the strand during severing and for carrying the strand advancing from said supply into said fluid stream after severing of said strand.
Claim 3
Dependent Claim
37 words
Apparatus as set forth in claim 1 wherein said injector means comprises a plunger, and means mounting said plunge for movement between a first position spaced from said opening and a second position proximate to said opening.
Claim 4
Dependent Claim
20 words
Apparatus as set forth in claim 2 wherein said severing means is connected with said injector means for movement therewith.
Claim 5
Dependent Claim
28 words
Apparatus as set forth in claim 2 wherein said fluid means includes a fluid passage through said injector means, and conduit means for conducting fluid to said opening.
Claim 6
Dependent Claim
27 words
Apparatus as set forth in claim 4 including control means actuatable as said injector means moves toward said second position for admitting fluid to said fluid opening.
Claim 7
Dependent Claim
73 words
Apparatus as set forth in claim 4 wherein said injector means engages said strand at an intermediate position between said supply and a takeup and forms a bight in said intermediate portion, the bight being projected to said opening, the severing means severs the strand between said bight and said takeup to thus provide a tail downstream of said opening, and said fluid means operates to urge said tail into said fluid stream.
Claim 8
Dependent Claim
29 words
Apparatus as set forth in claim 1 wherein said fluid stream is provided as a vortical stream and a high velocity laminar fluid stream generally encircling said vortical stream.
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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |