US2639056A

US2639056A - Attached closure for containers

Info

Publication number: US2639056A
Application number: US190772A
Authority: US
Inventors: Grabner Willi
Original assignee: Lucas & Co Dr
Current assignee: Dr Lucas & Co; Lucas & Co Dr
Priority date: 1949-10-31
Filing date: 1950-10-18
Publication date: 1953-05-19
Anticipated expiration: 1970-05-19

Description

May 19, 1953 W. GRABN ER ATTACHED CLOSURE FOR CONTAINERS Filed Oct. 18. 1950 2 Sheets-Sheet l INVENTOR. Mu. GRABPIER sy fi g aj w. GRABNER ATTACHED CLOSURE FOR CONTAINERS 2 Sheets-Sheet 2 mmvrox WILL: GRABN ER May 19, 1953 Filed Oct. 18, 1950 Patented May 19, 1953 ignor to Dr. Lucas & 00., Zeil Germanyon the Mosel,

Application October 18, 1950; Emerita-190312 In'Gerr'nany October 31, 1949 4'Claimsi I 1 This invention relates to a nonlo'sable closure f0? tube-s, bottles and similar containers.

Closure-s,- especial-Iy for times, are generally constructed insucha way that the closing "cap when unscrewed from the body of the tube aims a separate member no longer connectedwith the container. Gw'i-n'g to this arrangement closing caps are easily lost with the result that the con tents of the tubes can-not be fully utilized;

It-i'sthe objectof the inventionto overcome this defect by the'construction eta-closure Whose closing cap" is not separated from the tube after the'openi'ng' of the latter andthu's cannot get'lost.

Attached closures for tubes, bottles and the like are of course known to the art. One of them has a closing screw consisting of onepart and providecf'with two connecting flaps reaching to the tube and exposing between them the thread of the mouth of the tube, and radially inwardly projecting folds at the lower ends of the flaps grasp special ears disposed on the mouth of the container. After opening of the tube and'ex posure of the mouth thereof the closures can be turned" over, the projections on the extended flaps preventing the'n'r from falling oif.

Other known tube closures comprise two parts, oneof which is a closing cap to be screwed on above and the other a lower threaded rin'g sur= rounding the thread of the mouth. Both parts are connected by a joint and have'to be jointly jections. Above" all, they not only faiito. cover thethread but exposed essential parts thereof.

The" thread of a tube in use is more orl'ess soiled by the contents, and'this has the effect that closures of" the kind mentioned cou-ld' not be utilized any longer. Furthermorefin both" known constructions the actual mouth mustnec'essa-rily' be very long; so' that the closure members ate expensive to produce;

111- contradistinctibn to these known closures useless by'itseontentst For this reason; the. clasing cap lay-means ofa! bayonetclosure, overlaps a counterpart disposed on the"mouthofthe'tube,

one hali of the-bayonet closure being constructed to form a: joint.

Whemthe capis turned in=c1osing direction the" arrangementact'sras: a two-part bayonet-closure;

In: opening, position, however; the bayonet closure"- can'be released on one side; the othei pa'rt" thereof; owing to its construotionas a joint, holding the closing c ap. About this joint the closing cap can be brought into opening posit nc To prevent the entire arrangement front bihg removable or turnable the counterpart for the closing cap is nonlosably secured on the mouth of the container One of the guides of "the coonterpart cooperates with a bayonet carn formed one the closing cap; the other guide is not inter rupted, so that it for-ins a jointwithi'ts associated second cam of the closing cap. This' joiht eooperates incarrying out the rotary motion of the copier both opening and closing; II

Thetwo guides on theountrpaft' on which the cams of the cap 'sii'd' alone "are hli'callv formed in known manner, so that during the closing operation some tightening oi the cap axial direction to the'tdbebciii. The opening motion and th reby the. posiuonijug of the cap for opening islim ited by as'to'p which thus fii'zjes also the opening position of'the c'ap a'twhich the front part ofthe payonetcios re can be brought into opening position, sothat the cap tiItsiipwardly and rea rwsardly and 'expo'ses'the outit opening of the tube. II

'I 'he counterpart to the closing fastened to the mouth oftn' can desired manner. The uppr g" of the container may be advintag I across the counterpart of the closing" ca :p be

which case the inner Su -rate of the cap, possibiy" withan' interposed packi g, directly cooperates Withthis flanged upper edge of the mouth or the tube.

This arrangement can e appueu also to other containerslas bottles and the like; The closure can be made from any Suitable ma frial'.

One embodiment of the invention is" 1111125- I trated in the accompanying drawings, inwhich figure l' is an-iiteihal view ofa tube fitted with the cIosure according t6 the ifi'v'entionj 2 -a top view thereof; I

Fig.3, a perspective view of the appliance when opened;

2 the closing cap Fig. 8, a top view of the holding member;

Fig. 9, a bottom view of the holding member; and

Fig. 10, an internal view of the closing cap.

Referring to the drawing, i is the container provided with the neck portion 2 over which the annular holding member 3 is placed already during the manufacturing process and suitably secured against removal and rotation. The upper edge 2a may for instance be flanged.

The closure cap 4 has the shape shown in the drawings, that is, it is fitted with two inwardly and upwardly projecting bayonet lugs 5. The rear bayonet lug 5 is so constructed to form an abutment 6 with which the cap 4 in the open position according to Fig. 5 engages the surface of the tube.

The holding member 3 is firmly and nonrotatably arranged on the mouth 2 of the tube and posseses two grooves 1 and 8 extending in the direction of rotation corresponding to the closing operation, that is, spirally downwardly. In these grooves I and 8 slide the lugs 5 of the closing cap 4. Within the cut-out 8 of the holding member 3 the grooves are interrupted to enable one lug 5a of the cap 4 to pass out of the holding member 3 and thus permit opening of the cap. As indicated in Fig. 9, the other lug 5b of the cap cannot get out of the groove 8 when the lug 5a registers with cut-out 9. Thus, the rear lug 5b and the groove 8 form the joint.

The operation is as follows:

When the closing cap 4 is in the position shown in Fig. 4 the front lug So has left its groove 1, and the cap 4 can then be pivoted about lug 5b into the opening position according to Figs. 3 and 5. The groove portion 8 increases in depth away from the cut-out 9, while the groove portion 1 decreases in depth away from the cut-out 9 so that a stop face 8a is formed where the groove portion 1, 8 meet. This stop face renders the position for the opening of the cap 4 perceptible. Having been closed, the cap 4 is turned about 90 in the direction of a screw cap provided with right handed thread, and during this operation the front lug 5a enters the groove 1. As the guides I and 8 ascend in helical fashion towards the tube, the cap 4, by means of these grooves I and 8 and the

lugs

5a, 5b, is simultaneously tightened in axial direction towards the tube, so that the inner surface of the cap 4 comes closer to the flanging or beading 2a. Between this surface and the flanging 2a a packing may be interposed in known manner. The closure is assembled by placing members 3, 4 in the position of Fig. 5 on the neck portion 2 of the container, and thereupon forming the flange 2a in a suitable manner.

I claim:

1. A closure comprising in combination, a cylindrical holding member having a transversal bottom face and a transversal top face, and an axial bore extending between said top face and said bottom face for receiving the neck portion of a container, said cylindrical holding member being formed with a cutout extending in the cylindrical outer surface thereof from said top face to said bottom face, said holding member being further formed with a groove in said bottom face thereof, said groove being concentric with said cylindircal surface; and a closure cap having a cylindrical wall and a transversal top wall, said closure cap having two diametrically located inwardly curved lugs projecting from the free edge of said cylindrical wall and engaging said groove in a position of said closure cap in which said top wall thereof is adapted to abut against the end of the container neck portion passing through said axial bore, said closure cap being turnable on said holding member with said lugs sliding in said groove to a position in which one of said lugs registers with said cutout in said holding member, from which latter position said closure cap may be pivoted about a joint formed by the end portion of the other of said lugs and by said groove, said one of said lugs passing through said cutout during such opening pivoting movement.

2. A closure comprising in combination, a cylindrical holding member having a transversal bottom face and a transversal top face and formed with an axial bore extending between said top face and said bottom face for receiving the neck portion of a container, said cylindrical holding member being formed with a cutout extending through the cylindrical outer surface thereof from said top face to said bottom face, said holding member being further formed with a groove in said bottom face thereof, said groove being concentric with said cylindrical surface and having two ends opening into said cutout, said groove having two portions of varying depth, one of said portions of said groove gradually decreasing its depth from one of said ends of said groove, and the other portion of said groove gradually increasing its depth from the other of said ends of said groove; and a closure cap having a cylindrical wall and a transversal top wall, said closure cap having two diametrically located inwardly curved lugs projecting from the free edge of said cylindrical wall, each of said lugs engaging one of said portions of said groove in a position of said closure cap in which said top wall thereof is adapted to abut against the end of a container neck portion passing through said axial bore, said top wall of said closure cap moving towards said top face of said holding member while said closure cap is rotated in a direction causing movement of said lugs toward portions of decreased depth of said portions of said groove, said closure cap being turnable in a direction opposite to said direction to a pivoting position in which one of said lugs registers with said cutout in said holding member, from which pivoting position said closure cap may be pivoted about a joint formed by the end portion of the other of said lugs and by said groove, said one of said lugs passing through said cutout during such opening pivoting movement.

3. A closure comprising in combination, a cylindrical holding member having a transversal bottom face and a transversal top face and formed with an axial bore extending between said top face and said bottom face for receiving the neck portion of a container, said cylindrical holding member being formed with a cutout extending through the cylindrical outer surface from said top face to said bottom face, said holding member being further formed with a groove in said bottom face thereof, said groove being concentric with said cylindrical surface and having two ends opening into said cutout, said groove having two portions of varying depth, one of said portions of said groove gradually decreasing its depth from one of said ends of said groove, and the other portion of said groove gradually increasing its depth from the other of said ends of said groove; and a closure cap having a cylindrical wall and a tranversal top wall, said closure cap having two diametrically located inwardly curved lugs projecting from the free edge of said cylindrical wall, each of said lugs engaging one of said portions of said groove in a position of said closure cap in which said top wall thereof is adapted to abut against the end of a container neck portion passing through said axial bore, said top wall of said closure cap moving towards said top face of said holding member while said closure cap is rotated in a direction causing movement of said lugs toward portions of decreased depth of said portions of said groove, said closure cap being turnable in a direction opposite to said direction to a pivoting position in which one of said lugs registers with said cutout in said holding member, from which pivoting position said closure cap may be pivoted about a joint formed by the end portion of the other of said lugs and by said groove, said one of said lugs passing through said cutout during such opening pivoting movement, said closure cap having an abutment on the outer surface of said cylindrical wall in the region of said other lug adapted to engage the container when said closure cap is pivoted to a wide open position.

4. A closure comprising in combination, a cylindrical holding member having a transversal bottom face and a transversal top face and formed with an axial bore extending between said top face and said bottom face for receiving the neck portion of a container, said cylindrical holding member being formed with a cutout extending through the cylindrical outer surface thereof from said top face to said bottom face, said holding member being further formed with a groove in said bottom face thereof, said groove being concentric with said cylindrical surface and having two ends opening into said cutout, said groove having two portions of varying depth, one of said portions of said groove gradually decreassaid portions of said groove in a position of,

said closure cap in which said top wall thereof is adapted to abut against the end of a container neck portion passing through said axial bore, said 'top wall of said closure cap moving towards said top face of said holding member while said closure cap is rotated in a direction causing movement of said lugs toward portions of decreased depth of said portions of said groove, said closure cap being turnable in a direction opposite to said direction to a pivoting position in which one of said lugs registers with said outout in said holding member, and the other of said lugs arrives at the point at which said other portion of said groove associated therewith meets said one; portion of said groove, at which point said other of said lugs is prevented from further movement by the smaller depth of said one portion oflsaid groove, from which pivoting position said closure cap may be pivoted about a joint formed by the end portion of the other of said lugs and by said groove, said one of said lugs passing through said cutout during such opening pivoting movement.

WILLI GRABNER.

References Cited in the file of this patent UNITED STATES PATENTS Number.