← Back to Patent Explorer
US3802036A Expired / Lapsed US ⏱️ 0.0 years remaining

Yarn bulking jet

Assignee: Hercules LLC
•
Filing: 1972-09-05
•
Granted: 1974-04-09
•
Expires: 1992-09-05
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A yarn bulking jet comprising a flat body and a door clamped together by fastener means, a longitudinal yarn passageway recessed in the surface of the body contiguous with the door, conduit means intersecting said yarn passageway at a shallow angle for injecting a fluid under pressure into said yarn passageway, said door having a slot recessed in the surface thereof contiguous to said body, said slot being parallel to and adjoining said yarn passageway, and a movable or removable insert conforming essentially to the dimensions of said slot and adapted to be inserted thereinto to substantially fill said slot, the jet being capable of aspirating at normal fluid pressure when said slot is open.

Inventors

  • 👤 W Parks

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 08:32
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16; D02G1/161

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 108 words
A yarn bulking jet comprising a flat body and a door clamped together by fastener means, a longitudinal yarn passageway recessed in the surface of the body contiguous with the door, conduit means intersecting said yarn passageway at a shallow angle for injecting a fluid under pressure into said yarn passageway, said door having a slot recessed in the surface thereof contiguous to said body, said slot being parallel to and adjoining said yarn passageway, and a movable insert conforming essentially to the dimensions of said slot moveable to substantially fill said slot, the jet being capable of aspirating at normal fluid pressure when said slot is open.
Claim 2
Dependent Claim 108 words
A yarn bulking jet comprising a flat body and a door clamped together by fastener means, a longitudinal yarn passageway recessed in the surface of the body contiguous with the door, conduit means intersecting said yarn passageway at a shallow angle for injecting a fluid under pressure into said yarn passageway, said door having a slot recessed in the surface thereof contiguous to said body, said slot being parallel to and adjoining said yarn passageway, and a movable insert conforming essentially to the dimensions of said slot moveable to substantially fill said slot, the jet being capable of aspirating at normal fluid pressure when said slot is open.
Claim 3
Dependent Claim 13 words
The yarn bulking jet of claim 1 in which said insert is removable.
Claim 4
Dependent Claim 56 words
The yarn bulking jet of claim 1 in which said insert is slidably mounted within said slot and further including adjusting means connected to said insert through said door to move said insert from a retracted position within said slot when yarn is aspirated to an extended position to fill said slot when yarn is bulked.

References Cited (Backward Citations)

US2938257A Cited
US2995801A Cited
US3169296A Cited
US3296679A Cited
US3525134A Cited
US3638291A Cited
US3703751A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-04-08 1977-10-08 1978-04-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-04-08 1981-10-08 1982-04-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-04-08 1985-10-08 1986-04-09 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag