# US 5,346,380 A · Caulking tube extension nozzle

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- Number: US 5,346,380 A
- Document ID: US5346380A
- Status: Granted
- Kind: A
- Application number: 08/124,794
- Filed: 1993-09-22
- Granted: 1994-09-13
- Earliest claimed: 1993-09-22
- Inventors: James T. Ables
- Web page: https://patentgrep.com/patent/US5346380A

## CPC

- B05C 17/00516: {Shape or geometry of the outlet orifice or the outlet element}
- B05C 17/00596: {The liquid or other fluent material being supplied from a rigid removable cartridge having no active dispensing means, i.e. the cartridge requiring cooperation with means of the handtool to expel the material}
- B65D 35/38: Nozzles
- B05C: APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL (spraying apparatus, atomising apparatus, nozzles B05B; plant for applying liquids or other fluent materials to objects by electrostatic spraying B05B5/08)
- B65D: CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES

## Abstract

A caulking tube extension nozzle engagable to a caulking tube for facilitating a distribution of caulk onto hard-to-reach or awkwardly positioned areas. The extension nozzle includes a nozzle coupling assembly engagable to both soft plastic caulking nozzles and threaded nozzle receivers provided on caulking tubes having detachable nozzles. The coupling assembly tapers into a elongated extension tube having a flexible section which allows the extension tube to be bent while still permitting fluid communication therethrough. Alternate embodiments of the present invention include a bead forming assembly for shaping a bead of caulk dispensed from the extension nozzle and an adjustment mechanism for positioning the bead forming assembly relative to the dispensed caulk.

## Claims

### Claim 1

A caulking tube extension nozzle comprising:
a nozzle coupling means for attaching to a caulking tube, said coupling means comprising a hollow cylindrical member; gripping means coupled to an exterior surface of said cylindrical member for facilitating a rotation of said cylindrical member, said gripping means comprising at least one wing member fixedly secured to said cylindrical member; said cylindrical member having a first interior surface with thread means for engaging a caulking tube nozzle, said thread means comprising a helical member disposed upon said first interior surface; said cylindrical member further having a second interior surface engagable to a caulking tube nozzle receiver, said first interior surface having a first diameter and said second interior surface having a second diameter, with said second diameter is greater than said first diameter;
an elongated tube coupled to said nozzle coupling means in fluid communication with said caulking tube, said elongated tube having a flexible section allowing said tube to bend, said flexible section comprising a plurality of pleats formed in said elongated tube;
a conical tip in fluid communication with said tube, said conical tip being trimable to define an opening through which caulking may be dispensed;
a bead forming means coupled to said elongated tube for shaping a bead of caulking dispensed from said elongated tube, said bead forming means comprising a collar slidably disposed upon said elongated tube; a fastening means for securing a position of said collar along and around said elongated tube; an arcuate spoon member coupled to said collar and extending therefrom past said conical tip; and a head member positioned at a distal end of said spoon member, whereby said head member may contact and shape said caulking dispensed through said conical tip;
and,
a pivot means for pivoting said bead forming means towards said conical tip.

### Claim 2 (depends on 1)

The caulking tube extension nozzle of claim 1, wherein said pivot means comprises an upstanding post orthogonally coupled to said elongated tube and projecting through said elongated aperture; and a stop coupled to a top end of said upstanding post, whereby a movement of said collar along said elongated tube and towards said coupling means moves said head member towards said conical tip.