Патент USA US2133754код для вставки
0a. 18, 1938. ' > I H, OSCAR 2,133,754 COLLAPS'IBLE TUBE COMPRESSOR Filed Dec. 4, 1937 @Zai ' ' 17 E16 ~ 15 @745. 17 @ 45 INVENTOR. ' HARRY OSCAR wan/1M5. will» ATTORNEY. Patented Oct. 18, 1938 . 2,133,754 ' UNITED STATES PATENT OFFICE 2,133,754 COLLAPSIBLE TUBE COMPRESSOR Harry Oscar, New York, N. Y. > Application December 4, 1937, Serial No. 178,036 5 Claims. (Cl. 221-60) This invention relates to devices for dispensing approximately on line 4-4 of Figure 2, but show. the contents of collapsible containers, with spe- ing the lever grip as in position for operation. cial reference to thin walled, ductile metallic Figure 5 is an end elevational view thereof. tubes, such as are commonly used as packages for 5 a wide variety of plastic substances, like shaving creams, tooth pastes, artists’ paints, et cetera, well known to the public. Such collapsible tubes are ordinarily made with a ?rm discharge nozzle, provided with a remov- 10 able cap, and are closed, after ?lling through the bottom, by seaming the lower, juxtaposed edges in such manner as to prevent leaks and the en- trance of air. In order to discharge a desired quantity of the 15 substance in the tube pressure should be applied at the seamed end and gradually advanced as the contents become utilized. Squeezing the tube by hand haphazardly is likely to cause its wall to break, and invariably 20 leads to loss of the contents which remain therein after the distorted appearance of the tube indicates that it is empty. While it is known that devices have been designed to engage the folded, seamed and closed 25 end of such tubes, mostly in the form of av key on which the tube is progressively coiled as the contents are expelled, such devices have certain objectionable features, one of which is the di?culty of operation, due to lack of leverage on the 30 turning handle; another noted objection is that such devices, by reason of theirv shape and size, seriously interfere with compact packing of the tubes in their customary cartons. Having the matter in mind, it is an object of 35 the invention to provide a compression device, applied at the closed end of the tube, and on which it may be progressively, tightly coiled, the device having a slidable handle element aifording an effective grip when extended for use, and 40 thereafter retracted to occupy no material space. ThiS and other advantageous purposes are Figure 6 is a transverse sectional view taken on line 6—6 of Figure 4. 5 Figure 7 is a fragmentary front view of a modi ?cation in construction in which the end device is removably engaged with the tube. Figure 8 is an end elevational View thereof. . v Figure 9 is a perspective view of the same. but showing a modi?cation in construction. Referring in greater detail to the drawing, the numeral l5 designates a conventional type of collapsible tube, having an outlet or discharge nozzle is, provided with a removable cap 11. The tube is usually ?lled with plastic material entered through the bottom, then open and cylin drical in shape; after ?lling this lower end is ?at tened, presenting two opposed sides which are pressed ?rmly into engagement, as at l8, seamed in the usual manner to produce a hermetically sealed joint extending straight across the tube approximately, at its center, and may be turned upon itself to form a hem-like terminal. The invention comprises a pair of thin, but rigid, plates 20, adapted to clamp the seamed elements I8 between them and are securely held thereon by indentations 2| whereby the seam is ?rmly gripped.v As will be seen, the upper edges of the clamp the Slot’ which limits its?liding movement and also transmits rotary mot1on to the sheath when theThe rod rod is turned’ 25 is bifurcated at one end portion and is pivoted on apin 21. Settherein is alever . bum?’ ype oh c9 apsl, e u e S _°wmg an em“ 50 odiment 0? t e _mvent1°n_ as apphed' Figure 2 1s a side elevational view of the same. Flgure 3 1S a hke View but Showing the tube as partially coiled and the contents escaping from the nozzle. 55 Figure 4 is a fragmentary sectional view taken 20 25 30 seam, while their lower edges are integrally con nected by a tubular sheath 22, which, like the clamp plates, extend the full length of the seamed 35 portion of the tube 15. The sheath 22 is provided with a straight nar rovv slot 23, preferably in its wall, opposite the clamp plates, and slidable in the sheath is a I‘Od 25 having intermediate its length a ?attened 40 nodule 2B, struck outwardly to slidably engage in rangement of few and Simple parts hereinafter described and .illustrated in the accompanying . . . 45 drawmg’ constltutmg 2‘ mammal component of t, Flgluie 1 1S 5; fro?t elfilatlsnsl vl?w (,)f a column‘ 15 plate extend only to the flattened portion of the accomplished by the novel construction and ar- this . disclosure . ’ and in which: . 10 Figure 10 is a sectional view, similar to Fig. 4, 45 . _ l1ke handle 28 havmg a head 29 of greater di ameter than the interior of the sheath, and by which the rod may be withdrawn, the handle turned on its pivot and thereafter used to rotate 50 the rod and the sheath in curling the compres_ sible tube thereon, these elements acting as a winding mahdreh When the element 28 is turned to extend into the rod, the head 29 only reaches beyond the de- 55 2 2,133,754 vice, but when the rod is drawn outwardly, and the handle turned at a right angle, an eil’ective leverage is obtained whereby the tube may be readily compressed and its contents forcibly de livered at the nozzle l6, as indicated in Figure 3. In the modi?cation, shown in Figures 6, 7 and 8, the tube seam I8 is enclosed between plates 30 one of which, in this case, is provided with in reaching clips 31 slidable along depressed longi 10 tudinal trackways in the seam. The plates are integrally connected at their lower edges by a tubular sheath 32 in which is a slidable rod 33 provided with a handle 34 by which the mandrel, thus formed acts as a nucleus for the collapsible tube as it is wound thereon. In this type of clamp coiling mandrel the sheath is reduced at one end to receive the head of the rod 33, turned into the position shown in Figs. '7 and 8, to avoid occupying excess space in the carton in which the tube is packed. In the modi?ed form seen in Figure 10, the same arrangement of clamp plates is used, but the sheath includes two portions 40 and M, of different cross sectional area, the smaller 40 be ing receptive of a rod 42 having an enlarged square rear portion 43, ?tting the section 4|, thereby limiting the withdrawal of the rod and providing for rotation. The lever 44, pivoted in the reduced portion of the rod, is provided with an enlarged head 45 claimed as new and desired to secure by Letters Patent, is: 1. A collapsible tube compressor comprising rigid plates secured on opposite sides of the closed end of the tube, a sheath integrally con necting the lower edges of said plates, a slotted rod limitedly slidable in said sheath, and a ?nger grip lever pivoted in the slot of said rod. 2. A collapsible tube compressor comprising clamp plates on the closed end of the tube, a sheath connecting the bottom edges of said plates, a coiling key slidable in said sheath, and means limiting the inward and outward move ment of said key, said means also operative to transmit rotary motion. 3. A collapsible tube compressor comprising a metal blank shaped to produce a straight cy lindrical sheath having a longitudinal slot in the wall thereof intermediate its ends, said sheath 15 having a lengthwise opening, plates integral with the edges of the sheath opening and extending in parallel to receive the closed end of a col lapsible tube therebetween, means for rigidly se curing said plates to the tube end, a rod slid able in said sheath, said rod bifurcated at one end, a ?nger grip pivoted in the bifurcated end, said grip having a circular head at least equal to the outer diameter of the sheath, and a lug on said rod operable in the slot of said sheath. 4. A collapsible tube compressor comprising a 30 clip, a cylindrical sheath combined with said clip, a rod telescopically contained in said sheath, said rod limited in its movement, a lever-like handle pivoted in said rod, and a head on said] as previously described. It will be understood that the rods and sheaths in any of the views shown may be of any cross section, as round, square or otherwise, and of , handle by which the rod may be drawn outward 35 such dimensions as are suited to their purpose. ly and retracted. While certain preferred embodiments of this 5. A collapsible tube compressor comprising a device have been shown and described, it will clip ?xed on the sealed end of the tube, a cy be understood that changes in the form, arrange lindrical sheath combined with said clip, a han ments, proportions, sizes and details thereof may dle slidable in said sheath and means to limit 40 be made without departing from the scope of the longitudinal movement of said handle. invention as de?ned in the appended claims. Having thus described the invention, what is HARRY OSCAR.