US1930162A - Bottle and cap therefor - Google Patents

Description

Oct. 10, 1933. A; c. ECKARD BOTTLE AND CAP THEREFOR I Filed March 7, 1932 3mm W6 MM Patented Oct. 10, 1933 UNITED STATES PATENT. OFFICE 3 Claims.

This invention relates to a novel form of bottle and closiii' e therefor.

The [invention relates specifically to an improved milk bottle and cap, the principal object 5 being to provide a more sanitary receptacle for transporting milk, cream, or the like.

Another object is to produce such a. combination whereby to protect at all times contamination of the external portion of the neck of the bottle, either when the cap is on or during the process of removing same. V

Still another object is to provide meanswhere-= by when the bottle becomes tipped over and liesprone upon the ground the cap is free from contact with the surface upon which the bottle rests. Other objects and advantages of the invention will appear in the following description thereof. Referring now to the accompanying drawing forming part of this application, and wherein like reference characters indicate like parts:

The figure is a central vertical sectional view of one of the improved bottles and caps therefor.

The illustration is that of a quart milk bottle 1, made of glass, the bore of the neck of which is peculiar in that it is contracted somewhat towards the extremity thereof, the internal surface being slightly concaved, as clearly seen at 2 in the drawing, this being for the purpose of more convenient pouring-from the bottle in that the contents discharging therefrom has a tend= ency to run upwardly from the irregular marginal edge of the bottle than directly over same. The extreme upper marginal edge of the bottle is round, fornn'ng an annular bead 3, substantially semicircular in cross section. Just inwardly and at the terminal edge of the bead 3 is formed the sealing groove 4, above the annular seat 5, which latter is preferably flat and parallel 40 with the upper terminal of the bottle.

A flat inclined surface 6 is formed externally of the neck and extends downwardly from the.

outer terminal of the head 3 wholly around the bottle, and in which flat surface, adjacent the lower extremity thereof, is formed an annular groove 7, preferably having a flat inclined bottom, though the same may be rounded slightly if preferred. Just below this second sealing groove 7 is an annular flange or ledge extending wholly around the bottle, and the lower wall of which gracefully tapers as at 9 into the outer surface of the bottle as'desired.

Now this flange or ledge 8 is designed to extend sufllciently beyond the cap 10 to protect same against contact with any surface upon which the bottle may become engaged, as for example the floor on which the bottle may be tipped over or contact, for example, as illustrated by the dotted line 11, thus keeping the cap from normally-contacting such surface.

The cap 10 is made preferably of suitable rubber or other yieldable material, is fiat on top with the upper half of the side wall being straight as at 12, thence tapering outwardly and downwardly as at 13, the lower, outer edge falling when in position upon the bottle preferably about midway the circumferential extremity of the flat seat 14 formed by the flange 8.

The interior of the cap is made to snugly fit the irregularity of the mouth of the bottle, as clearly illustrated; the sealing bead 15 fitting snugly in the sealing groove 2, and the sealing head 16 in the groove 5.

To provide added resiliency and effectiveness to the bead 16, the inner wall of the top of the cap is concaved as at 17, this construction being found to add materially to the effectiveness of the cap and its ready application andremoval.

A further feature in connection with the convenient removal of the cap is that of the straight portion of the outer wall thereof as illustrated at 12 in preference to the cap being tapered its full height so that the fingersof the hand are readily engaged over the edge of the cap in pulling the same from the bottle, as shown in dotted 8 lines at 18. It will be noted that during this process of removal of the cap that only the extreme lowermost inner marginal edges of the cap engages orin any way contacts the bead 3, which, in a sense, is the mouthpiece of the bottle, and that the lower face of the cap when in position rests snugly upon the seat 14 at all times, thus preventing its being contaminated in any way as by the touch of hands engaged in the handling of the filled bottles, or the like; this being one of the principal novel features of the invention.

Furthermore, the cap having the double sealing beads 4 and 5, one internal and the other external, insures positive sealing of the bottle against any abnormal usage of same, and in fact the bottle may be inverted and severely shaken without in any way jeopardizing the efllcacy of same.

Having thus described my invention, what I claim and desire to secure by Letters Patent, is: 105

1. A bottle having a smooth inner surface gradually decreasing in cross sectional capacity to its ellluent orifice and terminating in a circumferential pouring lip portion having a cross section less than a right angle, the outer part of the 110 pouring lip portion composed of a plane surface, horizontally disposed, of sufficient width to provide a substantial bearing seat, the outer circumference of the plane bearing seat merging into an upstanding rim substantially semi-circular in cross section and continuing downwardly by a gradually outwardly expanding surface having an intermediately disposed inwardly extending groove, trapezoidal in contour, the downwardly and outwardly expanding surface terminating and merging into a circumferential rib having a horizontal upper surface of greater e ztent than the horizontal bearing seat.

2. A bottle having a smooth inner surface gradually decreasing in cross sectional capacity to its efliuent orifice and terminating in a circumferential pouring lip portion having a cross section less than a right angle, the outer part of the pouring lip portion composed of a plane surface, horizontally disposed, of sufficient width to provide a substantial bearing seat, the outer circumference of the plane bearing seat merging into an upstanding rim substantially semi-circular in cross section and continuing downwardly by a gradually outwardly expanding surface having an intermediately disposed inwardly extending groove,

- trapezoidal in contour, the downwardly andoutwardly expanding surface terminating and merging into a circumferential rib having a horizontal upper surface of greater extent than the horizontal bearing seat; in combination with an elastic closure cap member formed to elastically contact and closely engage the entire described outer surface of the bottle'from the horizontal surface of the outwardly projecting circumferential rib to the pouring lip portion, the flat circular upper portion of the closure cap member being gradually thinned on its inside from the contacting edge of the pouring lip portion of the bottle tothe center of the top of the cap member.

3. An elastic bottle stopper and cap, the stopper portion positioned centrally and interiorly of the cap and enlarged at its inner end to expansively fit the inside of a bottle neck, the cap having a downwardly projecting circumferential skirt spaced from the stopper portion to form an annular groove shaped to conform snugly to the bottle rim, the exterior surface of the skirt being substantially vertical in approximately the upper half of its length and merging into a gradually expanding lower half, the inner surface of the skirt provided intermediately with a circumferential rib to enter a corresponding recess in the bottle neck, the lower edge of the skirt constituting a sealing surface for cooperating with a ledge on the bottle 'neck, the cap being gradually thinned from the circumference of the stopper part to its center.

, ALBERT C. ECKARD.

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