US2006143A - Bottle and method of manufacturing same - Google Patents

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June 25, 1935. v a oc 2,006,143

BOTTLE AND METHOD OF MANUFACTURING SAME Filed Feb. 4, 1933 1N VENTOR v1/ I [.9 ATTORNEY Lydia 2.50m

Patented June 25, 1935 UNITED STATES PATENT OFFICE BOTTLE AND METHgBNgEF MANUFACTURING This invention relates to improvements in bottles. and more particularly to those constructed of paper.

Among the principal objects which the invention has in view are: To provide a bottle of paper or similar material and a single piece thereof; to shape the bottle as to resemble the usual glass bottle; to hold a bottom for the bottle by the side wall thereof in non-leaking association therewith; and to secure simplicity of construction. 1

' In the drawing:

Figure 1 is an elevation of a bottle embodying my invention;

Figure 2 is a vertical sectional view thereof; and

Figures 3 and 4 are cross-sectional views taken on the lines 33 and 4-4 respectively of Figure 1.

Figure 5 is an enlarged sectional view of a portion of the lower part of the bottle.

As seen in the drawing the reference numeral I0 indicates in general the bottle characterized I as having a lower portion cylindrical in shape in the end of which is secured a bottom I I. The side wall of the bottle is constructed from a single piece of paper, which is first rolled into a frustoconical shape and. so glued and permitted to dry or harden.

In the subsequent handling of the cones so formed, the upper and lower end sections are contracted, the former to approximate the usual bottle neck, and the latter to approximate the .shape of the cylindrical or body portion of the usual bottle. Interposed between these two sections is the molded section I2. The upper contracted end I3 will be referred to for. convenience as the neck of the bottle, 'whereas the lower contracted portion I4 will be referred to as the 40 body of the bottle. v

Heretofore in the manufacture of paper bottles it has been necessary to make the neck portion and the base portion thereof out of two different pieces of material in order to obtain any approximation to the usual and desired shape of the commonly employed glass milk bottles.

The neck portion I3 is preferably formed by corrugating the material. The corrugations I5 are deepest near the upper end of the neck.

I6 of the bottle. The corrugations I5 taper and become smaller at their lower ends, entirely disappearing at the band I 2. Above the corrugati'ons I 5, the material is left smooth and byspinning or other appropriate operation can be shaped This sets up or increases the rigidity of the lip New York, N. Y.

, 1933, Serial No. 655,173

to provide the lip I6 with an inturned edge II thereby giving the bottle an external configuration throughout its neck portion in close duplication of the usual glass milk bottle.

The body portion I4 is here shown as having a plurality of longitudinal corrugations I8 which fade at the central portion I2 and which takes up such an amount of the material of the blank as to provide the required reduction in the diameter of the bottom of the body.

The reduction in diameter of the frusto-conical blank effected by the ribs I8 enables the body of the bottle to be constructed of cylindrical shape and of substantially the same diameter throughout the length thereof.

The bottom II is mounted in the body I4 at the lower edge thereof, the bottom being provided for that purpose with the downturned flange 20. The bottoms I I are formed to snugly fit the body I4 providing what is known as a drive-fit therefor. The lower edge of the body together with the ribs I8 are compressed to a smooth edge to be inwardly and upwardly turned to form the overlapping upturned flange I9. Suitable means are provided for holding the bottom II in position while the flange I9 is overturned and inserted into position against the flange 20.

It will be observed that when the bottom II is thus installed and is submitted to a bath of paraifine, the joint between the body and the bottom is rendered absolutely leakproof.

It will also be recognized that the rim at the bottom of the botttle by being thus formed by the flange I9, the bottom edge of the bottle is reinforced and strengthened to withstand the usage to which these articles are put.

The lip I6 as shown, provides the inturned edge IT. The edge I! being shaped as disclosed provides an eflicient and desired reinforcement for the lip I6 and at the same time provides a seat for, and as desired, a cover or a part thereof.

Bottles of this character are usually provided with a cover that overlaps the lip I6 and the lower edge of the said cover is compressed to fit below the outer diameter of the said lip. The present bottle is constructed to accommodate the' use of such a cap.

From the foregoing it will be observed that a bottle constructed of paper peculiarly suited for single service, is thus produced so that all of the advantages accruing from the use of a bottle of the usual shape is to be found in the herein disclosed construction.

I claim;

1. A method of manufacturing paper bottles consisting in forming a blank from a single piece of material, the lateral edges whereof are adapted to overlap and be adhesively secured to form a frusto-conical member; then corrugating the opposite ends of said frusto-conical member to contract the same to lesser diameters, the one to form a neck-like shape, and the latter to form a cylindrical body, said corrugations extending from adjacent the vertical median area of said member, permitting said median portion to mold in imitation with the shoulder of the usual glass bottle.

2. A container ,as characterized comprising a side wall of a single piece of material of frustoconical shape with both the neck portion and the base portion contracted to less than the origi nal diameter, and having a smooth middle band between the said neck and base portions.

3. A container as characterized comprising a side wall of a single piece of material of frustoconical shape with the neck portion corrugated for contracting the same and the base portion pleated for contracting the same into a shape having substantially the same diameter at both ends, the lower marginal part of the base portion being contracted to substantially eliminate said pleats and providing a substantially smooth inner surface, and a bottom having its periphery in engagement with said smooth inner surface.

LYDIA B. KOCH.

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