US1927122A

US1927122A - Dispensing tube for pastes and creams

Info

Publication number: US1927122A
Application number: US638618A
Authority: US
Inventors: George L Horner; Harold L Finch
Original assignee: Individual
Current assignee: Individual
Priority date: 1932-10-19
Filing date: 1932-10-19
Publication date: 1933-09-19
Anticipated expiration: 1950-09-19

Description

Sept. 19, 1933. G, HQRNER ET AL 1,927,122

DISPENSING TUBE FOR PASTES AND CREAMS Filed Oct. 19, 1952 gjvwm-vw n ear @Z. Horne?" Harald Z. 7 inch Patented Sept. 19, 1933 UNITED STATES 1.927.122 msransmc. TUBE FOR msras- .AND CREAMS George L. Homer and llarold L. Finch, Iowa City, Iowa Application-October 19, 1932. Serial No. 638,618

1 Claim.

Our invention relates to tubes for tooth paste; cold cream, and other pastes and creams which are dispensed in collapsible tubes. Tubes for the purpose stated usually have no provisions for retaining the caps onthe tubes at all times so that when a tube is being used the cap frequent e ly falls to the floor or is dropped and lost, or theuser sometimes forgets to place the cap back on the tube which results in hardening of the contents of the tube at the discharge opening.

Our invention primarily has for its object to provide a new and improved dispensing tube and cap of such construction that the cap will not become lost and will at all times be attached to the tube.

Further an object of the invention is to provide a dispensing tube with a sanitary cap that cannot be removed from the tube but which is held in such correlation to the tube that the closing of the tube is facilitated, thereby insuring the keeping of the paste or cream in its original condition.

Further, it is an object to provide a tube with means whereby the contents may be easily and economically dispensed.

Further it is an object to provide a sanitary dispensing tube with non-removable cap, easy to operate, economical in use, one which will preserve the contents in the original condition and one in which the contents may be applied to a finger or brush cohesively.

Other objects will in part be obvious and in part be pointed out hereinafter.

To the attainment of the aforesaid objects and ends, the invention still further resides in the novel details of construction, combination and ar rangement of parts, all of which will be first fully described in the following detailed description, then be particularly pointed out in the appended claim, reference being had to the accompanying drawing, in which:-

Figure 1 is an elevation of our invention, the cap being unscrewed and the dispensing duct pulled out.

Figure 2 is an enlarged section on the line 2-2 of Figure 1.

Figure 3 is a cross section on the line 3-3 of Figure 2.

In the drawing in which like numerals of reference indicate like parts in all of the figures, 1 represents the body of the flexible tube, one end of which is pinched closed while the other end is provided with a conical portion 2 having a neck 3 that is provided with an externally threaded portion 4 and a hole 5 in which the duct 6 has longitudinal sliding hearing. I duct 6-has its inner end curved over or upset as at 7 to constitute a stop which limits the outward movement oftheductfi.

' The duct 6 is provided with an upset portion 60 8 at its outer'endthat is embedded in thematerial ofjthe cap 10 or otherwise rigidly secured thereto. A suitable outlet 9 constituting a dis- 0 pensing hole is providedin the duct 6 whichis exposed when the duct ispulled out. This opening 9 may be of any shape desired, round, ellip- 1 tical, or an elongated rectangle, the latterform being shown for purposes of illustration.

The cap 10 is provided with threads 11 to en--' gage the threads 4 of the neck of the tube when the cap is to be screwed onto the neck and which is also provided with a suitable gasket 12 to insure a liquid-tight seal when the cap is screwed home.

It is also to be observedthat the length of the tube 6 is not greater than the combined length of the conical end 2 and its neck 3 so that when the cap is screwed on, the duct will be protected by the comparatively stiff or rigid conical end 2 and neck 3, these parts of the tube being usually made of heavier material than the flexible body 1.

It will be noted from the foregoing description, taken in connection with the accompanying drawing, that the new dispensing tube increases to a higher degree the cleanliness of any paste or cream that is sold in jars or tubes. 35

In the first place, there is no danger of the cream or paste being unintentionally exposed to the air or dirt, for this reason that there is no cap to be removed and temporarily disposed of, while the tube is in use. Secondly, if this new dispenser should be accidently dropped or left open no part of the discharge opening can in any way come in direct contact with unsanitary surfaces. Thirdly, when suflicient paste has been removed from the discharge opening, the opening is emersed again in the cream or paste, and thus avoids any germs that may contaminate the top of the tube, a condition that is prevalent whenever the present tube is used.

It is also to be noted that the present tube used in the dispensing of paste and cream demands that the cap be removed and temporarily set aside while the contents of the container are being used. In the case of the improved dispenser there is no need for such procedure inasmuch as this cap dispenser is built in and becomes an integral part of the container. This in and of itsel1 eliminates any possibility of the cap dispenser being lost.

It will be seen that our improved tube is easy to operate. In the first place, the slightest turn upon the outer tip of the cap dispenser unlocks the threads that retain the dispensing tube in place. After the unlocking of the threads, the dispensing tube is easily withdrawn from the container. There is no danger of the dispensing tube being totally removed from the container, as the knurled end of the dispensing tube will allow such tube to be withdrawn only the proper distance. At this point it might be added that the tube will slide back and forth with ease, for

the reason that the outer portion of the dispensing tube acts as a guide for the removing and replacing of non-removable cap dispenser. Also the container is instantly closed upon the submergence of the dispensing tube into the paste or cream and the application of a slight turn, on the outer tip of the cap dispenser. The reason for this is that the threads on the neck of the container are coordinately made so that it makes instant contact with the threads of the cap dispenser. This is assured inasmuch as no paste or cream comes in contact with the threads on the neck of the cap dispenser or in the cap.

Secondly, the slightest pressure upon the container, after the dispensing tube is at the open position, will instantly start a flow of cream or paste through the discharge opening. The amount of paste is always governed by the amount of pressure applied to the container.

The use of the invention results in economy for the following reasons: First, with the present tube that is now in use it is easy to use more cream or paste than is absolutely necessary inasmuch as it is impossible to hold the container at an angle that will insure the elimination of a possible loss in the paste or cream while applying it to any brush or finger tip. By the use of the cap dispenser the container may be held at a natural angle and thus facilitates the dispensing of the paste or cream with the possibility of loss eliminated.

Secondly, the cap dispenser being permanently attached to the container prevents any loss arising through the medium of the paste or cream becoming hard as a result of exposure to air caused by the removal of cap or covering. No paste or cream is wasted inasmuch as all unused cream is returned into the body of the container, while the use of the present container always results in a surplus of paste or cream about the opening of the container.

The paste or cream always remains in its original condition. This is due to the fact that the discharge opening is always submerged in the cream or paste whenever the tube is not in use or closed.

This eliminates the possibility of the body of the paste or cream being subjected to the air at any time, a factor which is entirely responsible for the disintegration of creams and pastes. The preservation of the cream or paste in its original condition absolutely guarantees that there will be no waste of material due to uncalled for pressure to force the hardened cream out of the opening.

The new cap dispenser insures absolute cohesion between the cream or paste and the brush. This is due to the fact'that the container is held at a natural angle and thus forces the cream or paste into the bristles of the brush when pressure is applied to the container.

From the foregoing description, taken in connection with the accompanying drawing, it is thought the complete construction, operation and advantages of our invention will be clear to those skilled in the art to which it relates.

What we claim is:

A dispensing tube comprising a flexible body having a conical end provided with a neck having a bearing opening, a duct disposed insaid opening and longitudinally movable therein, said neck adjacent the bearing opening having an inner wall surface in a plane normal to the axis of the opening, said duct having its inner end provided with an outer flange held in a plane normal to the axis of the duct to cooperate with said inner wall surface as a positive stop, the outer end of said duct having a transversely directed flange, a cap in which said transversely directed flange is embedded as an integral structure, said duct having a. discharge opening in its side, said cap and said neck having interlocking portions for holding the cap on the neck with the duct telescoped into the tube, said duct being of a length slightly less than the combined lengths of said conical end and said neck and being of a length suflicient, when pulled out, to admit the brush part of a tooth brush to lie against the duct between said cap and said neck.

GEORGE L. HORNER. HAROLD L. FINCH.