US3951318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing device composed of a can and a nozzle fixedly attachable thereto
Assignee: Henlopen Manufacturing Co Inc
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Filing: 1974-12-11
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Granted: 1976-04-20
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Expires: 1994-12-11
Abstract
Abstract There is disclosed a dispensing device composed of a can and a nozzle fixedly attachable thereto. The can of the device is generally a container made of sheet metal and having a top wall including an opening and a nozzle made of a synthetic plastics material having a limited inherent flexibility. The nozzle has a wide opening communicating with the equally wide can opening for rapid and convenient filling of the can with material such as a liquid or powder and for equally rapidly discharging the material in the can through the nozzle. The can and the nozzle are separately manufactured by independent and different manufacturing operations and securement of the nozzle to the can is effected by forcing the nozzle with its lower portion into and through the can opening in a manner so that the nozzle is axially retained within the can by means of a circumferential protrusion on the nozzle which is pushed past the top wall rim defining the can opening by utilizing the flexibility of the material of which the nozzle is made. The nozzle is also secured in an angular fixed position relative to the can by serrations on the can which are so disposed that they will bite into the material of the nozzle when and while the nozzle is forced into the can. Such biting of the serrations into the nozzle material occurs automatically in any angular position of the nozzle relative to the can. Locking of the nozzle against rotation relative to the can is required to permit convenient screwing on and off of a closure cap to the nozzle when the device is not in use.
Inventors
- 👤 Allan A. Costa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:43
CPC Classifications
B; B65; B65D; B65D25/00; B65D25/38; B65D25/40; B65D25/42
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
395 words
An assemblage of a dispensing device comprising in combination: a container for material to be dispensed and a nozzle fixedly attachable to the container; said container being made of a hard and rigid material and having a top wall including a circular opening for dispensing material through said opening and for receiving said nozzle, and including a plurality of generally tooth-shaped serrations each terminating in a sharp point and extending upwardly circumferentially spaced from and about the rim defining the top wall opening substantially normal to said top wall; and said nozzle being made of a form-retaining but flexible synthetic plastics material softer than the material of the serrations on the container and being of generally tubular configuration, said nozzle having an upper portion for releasably receiving a screw cap and a lower portion for locking the nozzle to the container, said upper nozzle portion having on its outer wall threads for screwing on and off a screw cap by rotating the cap relative to the nozzle and the container, and said lower portion of the nozzle having an outer wall surface increasing from a diameter less than the diameter of said top wall opening from the lower edge of said outer surface to a diameter larger than the diameter of the top wall opening diameter whereby upon forcing the lower nozzle wall portion through the top wall opening into a position in which the wall surface part having the diameter larger than the diameter of the top wall opening is located below the level of the top wall opening the nozzle is locked against axial withdrawal from the container, said lower nozzle portion further having on its outer surface a circular flange radially outwardly extending from said outer surface, said flange defining a substantially plane surface on its side facing the lower edge of the nozzle, said surface being substantially parallel with the top wall and normal to the serrations when the nozzle is in its locked position, the height of the serrations and the location of the plane surface of the flange being so correlated that upon axially downwardly pressing the lower nozzle portion into and through the top wall opening the points of said serrations bite into the plane flange surface in any rotational position of the nozzle relative to the container thereby locking the nozzle against rotation relative to the container.
Claim 2
Dependent Claim
395 words
An assemblage of a dispensing device comprising in combination: a container for material to be dispensed and a nozzle fixedly attachable to the container; said container being made of a hard and rigid material and having a top wall including a circular opening for dispensing material through said opening and for receiving said nozzle, and including a plurality of generally tooth-shaped serrations each terminating in a sharp point and extending upwardly circumferentially spaced from and about the rim defining the top wall opening substantially normal to said top wall; and said nozzle being made of a form-retaining but flexible synthetic plastics material softer than the material of the serrations on the container and being of generally tubular configuration, said nozzle having an upper portion for releasably receiving a screw cap and a lower portion for locking the nozzle to the container, said upper nozzle portion having on its outer wall threads for screwing on and off a screw cap by rotating the cap relative to the nozzle and the container, and said lower portion of the nozzle having an outer wall surface increasing from a diameter less than the diameter of said top wall opening from the lower edge of said outer surface to a diameter larger than the diameter of the top wall opening diameter whereby upon forcing the lower nozzle wall portion through the top wall opening into a position in which the wall surface part having the diameter larger than the diameter of the top wall opening is located below the level of the top wall opening the nozzle is locked against axial withdrawal from the container, said lower nozzle portion further having on its outer surface a circular flange radially outwardly extending from said outer surface, said flange defining a substantially plane surface on its side facing the lower edge of the nozzle, said surface being substantially parallel with the top wall and normal to the serrations when the nozzle is in its locked position, the height of the serrations and the location of the plane surface of the flange being so correlated that upon axially downwardly pressing the lower nozzle portion into and through the top wall opening the points of said serrations bite into the plane flange surface in any rotational position of the nozzle relative to the container thereby locking the nozzle against rotation relative to the container.
Claim 3
Dependent Claim
97 words
The assemblage according to claim 1 and comprising a circumferential skirt extending from the outer peripheral edge of said flange toward the lower edge of the lower nozzle portion and substantially parallel to but spaced apart from said outer wall surface of the lower nozzle portion, the axial length of said skirt being such that its lower edge abuts against the top wall of the container when said lower nozzle portion has been inserted into and through said top wall opening thereby limiting the depth of the bite of said serrations into the flange of the nozzle.
Claim 4
Dependent Claim
27 words
The assemblage according to claim 1 wherein said serrations are arranged in the form of groups of several serrations, said groups being circumferentially spaced from each other.
Claim 5
Dependent Claim
19 words
The assemblage according to claim 1 wherein said serrations occupy the entire circumferential outline of said top wall opening.
Claim 6
Dependent Claim
27 words
The assemblage according to claim 1 wherein said container is made of sheet metal and said serrations are of triangular configuration and integral with said top wall.
Claim 7
Dependent Claim
49 words
The assemblage according to claim 1 wherein said outer wall surface of the lower nozzle portion includes intermediate its length a circumferential protrusion, the outer diameter of said protrusion constituting the part of the outer wall surface having the diameter larger than the diameter of the top wall opening.
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) | 1979-04-20 | 1979-10-20 | 1980-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-20 | 1983-10-20 | 1984-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-20 | 1987-10-20 | 1988-04-20 | $7700.00 | Window Closed / Lapsed |