Patent US4382530A successfully refreshed from Google Patents.
US4382530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interchangeable nozzle apparatus
Assignee: Individual
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Filing: 1981-07-01
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Granted: 1983-05-10
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Expires: 2001-07-01
Abstract
Abstract An interchangeable nozzle apparatus for a caulking gun includes a base member which is fittable over the tapered nozzle on a caulking tube and has a universal mounting surface thereon, a plurality of nozzle attachments of different diameters each having a similar mounting portion which mates with the universal base mounting portion, and a securing member such as a thumbscrew for affixing any one of the attachment nozzles to the base member.
Inventors
- 👤 Anthony Calisto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:32
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/005; B05C17/00503; B05C17/00516; B05C17/00596; B65; B65D; B65D25/00; B65D25/38; B65D25/40; B65D25/48
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
200 words
A nozzle attachment apparatus for use with an extruding tool and a container of extrudable material, said container having an opening at one end thereof and said tool being of the type having a bifurcated retaining member for abutting said one end of said container, said bifurcating retaining member having a slot therein, said attachment apparatus comprising: a base member fittable over said opening and having a base mounting portion at one end thereof, a flanged portion at its other end having a dimension larger than that of said slot and a central portion connecting said flanged and base mounting portions and fittable into said slot; attachment nozzle means having an extrusion orifice at one end and fittable at its other end to said base mounting portion, said attachment nozzle means comprising a plurality of nozzles each of which is fittable to said base mounting portion and any one of which may be secured to said base member at one time, each of said attachment nozzles including an attachment mounting portion having a mating configuration with said base mounting portion; and securing means for securing said base mounting portion to the attachment mounting portion on one of said nozzle attachments.
Claim 2
Dependent Claim
200 words
A nozzle attachment apparatus for use with an extruding tool and a container of extrudable material, said container having an opening at one end thereof and said tool being of the type having a bifurcated retaining member for abutting said one end of said container, said bifurcating retaining member having a slot therein, said attachment apparatus comprising: a base member fittable over said opening and having a base mounting portion at one end thereof, a flanged portion at its other end having a dimension larger than that of said slot and a central portion connecting said flanged and base mounting portions and fittable into said slot; attachment nozzle means having an extrusion orifice at one end and fittable at its other end to said base mounting portion, said attachment nozzle means comprising a plurality of nozzles each of which is fittable to said base mounting portion and any one of which may be secured to said base member at one time, each of said attachment nozzles including an attachment mounting portion having a mating configuration with said base mounting portion; and securing means for securing said base mounting portion to the attachment mounting portion on one of said nozzle attachments.
Claim 3
Dependent Claim
21 words
A nozzle attachment apparatus as defined in claim 1, wherein said plurality of attachment nozzles have extrusion orifices of differing sizes.
Claim 4
Dependent Claim
41 words
A nozzle attachment apparatus as defined in claim 1, wherein said container opening comprises a tapered tube, and wherein the inside diameters of the extrusion orifices of each of said attachment nozzles exceed the maximum inside diameter of said tapered tube.
Claim 5
Dependent Claim
18 words
A nozzle attachment apparatus as defined in claim 1, wherein said fixing means is a manually operable screw.
Claim 6
Dependent Claim
22 words
A nozzle attachment apparatus as defined in claim 1, wherein each of said nozzle attachments is made of a relatively rigid material.
Claim 7
Dependent Claim
25 words
A nozzle attachment apparatus as defined in claim 5, wherein each of said nozzle attachments is made of a relatively soft metal such as aluminum.
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) | 1986-05-09 | 1986-11-08 | 1987-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-05-09 | 1990-11-08 | 1991-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-05-09 | 1994-11-08 | 1995-05-10 | $7700.00 | Window Closed / Lapsed |