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Publication numberUS2266828 A
Publication typeGrant
Publication dateDec 23, 1941
Filing dateJan 5, 1939
Priority dateJan 5, 1939
Publication numberUS 2266828 A, US 2266828A, US-A-2266828, US2266828 A, US2266828A
InventorsWesley S Sykes
Original AssigneeMilwaukee Lace Paper Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Paper cup
US 2266828 A
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Description  (OCR text may contain errors)

Dec. 23, 1941, w, s sY s 2,266,828

PAPER CUP Filed Jan. 5, 1939 ZWW wwz w? @273;

e fi zz az Patented Dec. 23, 1941' UNITED STATES PATENT OFFICE CUP Wesley S. Sykes, Milwaukee, Wis, asslgnor to Milwaukee Lace Paper Company, Milwaukee, Wis., a-corporation of Wisconsin Application January 5, 1939, Serial No. 249,363

2 Claims.

tates drinking from the cup of liquids contained therein. Further objects and advantages will appear from the detail description.

In the drawing:

Figure 1 is a plan view of a cup embodying my.

invention;

Figure 2 is a sectional view taken substantially on line 2-2 of Figure 1; and

Figure 3 is a fragmentary sectional view through the cup, On an enlarged scale, the cup body and the lining therefor being partly broken away.

The cup comprises a downwardly tapering body 5 of circular cross-section, formed of paper waxed I or otherwise treated in a known manner to be rendered waterproof. Body 5 is provided, at its top, with an outwardly rolled outwardly projecting circumferential bead 6 and, at its lower end, with an inwardly and upwardly turned flange 1. Flange I is secured at its upper edge to body 5 in a suitable manner, as by means of an adhesive or by means of the wax applied to the paper of which the body is formed. A disc-shaped bottom member 8, also formed of paper waxed or otherwise waterproofed, fits snugly within body 5 and seats upon the upper edge of flange 1. Bottom member 8 is provided with an integral upwardly extending circumferential flange= 9 which seats of bottom element 8, to which flange it is secured so as to form a fluid tight closure therewith, conveniently by means of a suitable heat resistant and waterproof adhesive or cement of known type. The liner I0 is thus secured at its top and bottom to body 5 and is supported therein in spaced relation thereto, there being a dead air space between body 5 and the liner highly eflicient for thermal insulating purposes. The areas of contact between the body 5 and liner "I, at the top and the bottom of the latter, are quite small,

reducing to a minimum the transfer of heat, by conduction, between'body 5 and liner Ill, and these areas are disposed out of the area' of body 5 normally grasped by the hand when holding the cup.. If body 5 of the cup be grasped so tightly as to tend to crush it radially, the Wall thereof may be moved inward into contact with corruga-- tions l2 of liner ID, the latter then oifering considerable resistance to continued inward movement of the wall of body 5 effective to prevent inadvertent crushing thereof. Under such conditions the areas of contact'between body 5 and the apices of corrugations l2 will be slight and insufficient to cause objectionable heat transfer, by conduction, between body 5 and linerin.

A cup constructed in the manner above described maybe held in the hand with comfort tightly against the surrounding wall of body and is secured thereto, conveniently by a suitable known adhesive.

A liner l0, also formed of paper waxed or otherwise waterproofed, is disposed within body 5. At its upper end liner I0 is provided with an outwardly rolled and outwardly extending circumferential bead ll fitting snugly over and about bead 6, to which it is secured, conveniently by means of a suitable adhesive. Liner I0 is provided throughout the major portion of its height with circumferentially extending corrugations l2, which impart considerable rigidity to the liner and resist radial deformation thereof, while providing spaces l3 between the liner and body 5. The lower end portion of liner I0 is flat or unwhile containing hot drinks or comestibles, and

objectionable heating of the contents of the cup by heat derived from the hand grasping it, when the cup contains cold drinks or comestibles, is

effectively prevented, while the liner serves also to reenforce the cup and prevent inadvertent radial crushing thereof. The beads 6 and II together provide an outwardly rounded lip at the top of the cup, which facilitates drinking liquids therefrom.

I claim:

l. Ina paper cup, a substantially cylindrical paper body adapted to be held in the hand provided at its top with a circumferential reenforcing bead and at its bottom with an inwardly and upwardly turned flange, a bottom closure member seating on said flange provided with an upwardly extending circumferential flange seating against and secured to the surrounding wall of said body, and a .substantially cylindrical paper liner within said body having its bottom portion straight'fltting within and secured to said flange of said bottom closure member, said liner having an outwardly extending circumferential bead at its top fitting-over and secured to said bead at corrugated, at M, and fits snugly within flange 9 the top of said body, said liner being provided against the surrounding wall of said body, and a substantially cylindrical paper liner within said body having its bottom portion straight fitting within and secured to said flange of said bottom closure member, said liner having an outwardly extending circumferential bead at its top fitting over and secured to said bead at the top of said body. i

WESLEY S. SYKES.

Referenced by
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Classifications
U.S. Classification220/1.5, 229/103.11, 229/5.5, 229/403, 229/939
International ClassificationB65D3/22
Cooperative ClassificationB65D3/22, Y10S229/939
European ClassificationB65D3/22