US2388300A

US2388300A - Method of making reinforced chime construction for cans or containers

Info

Publication number: US2388300A
Application number: US485978A
Authority: US
Inventors: Louis B Wackman
Original assignee: Individual
Current assignee: Individual
Priority date: 1943-05-07
Filing date: 1943-05-07
Publication date: 1945-11-06
Anticipated expiration: 1962-11-06

Description

Nov. 6, 1945.

L B. WACKMAN METHOD OF MAKING REENFORCED Filed May 7, 1943 INVENTOR Zbawfii Z'wfm -l||| I L I Patented Nov. 6, 1945 REINFORCED CIIIMR R CANS R .CON-

. METHOD or MAKING CONSTRUCTION F0 TAINERS Louis B. Wackman, Richmond Heights, Mo.

Application May "7, 1943, Serial No. 485,978;

2 Claims. I (Cl. 1-13-f-121) This invention relates to a method of makin a reinforced chime construction for cans or con tainers. 1 I An object of the invention is to provide a method of making a can or container to present a flush outer surface on the container wall.

A further object is to provide a method of making a chime of an improved construction to containers having permanently secured counter-sunk heads.

Another further object is to provide a method of making an improved chime at both ends of a container by folding parts of the heads and the container wall together without the application and use of a crimping ring.

The invention also pertains to the end conchime of parts which are folded together in a manner so as elevation showing the flanges of the head and body walltogether, In

end of the container body and having the head flange engaged against the body flange.

Figure 6 is an enlarged; fragmentary sectional last steps of folding the crimped securance, to form the chime and tqprovide a seal-tight joint between the head side wall struction of containers presently made of sheet metal and the invention in particular residing in the manner of uniting the heads to the container body to provide improved chime ends thereto and to further reinforce the container adjacent its ends by beading to form a seal-tight joint between the heads and container body.

Qther and further advantages will appear as this description progresses and by reference to the drawing, in which- Figure 1 is a vertical sectional elevation through the upper end of a container showing this improved reinforced chime construction applied thereto.

Figure 2 is an enlarged fragmentary sectional portion of one of the container heads showing the first step in the formation thereof to adapt it for securing cooperation with the container body.

Figure 3 is an enlarged fragmentary sectional levation showing the second step in the formation of the head portion shown in Fig. 2.

Figure l is an enlarged fragmentary sectional elevation through the upper portion of the container body wall showing the step required in forming an outwardly and downwardly disposed annular flange in readiness for the head insertion therein in the manner as shown in Fig. 5.

Figure 4a is an enlarged fragmentary sectional elevation through the upper portion of the container head showing a further step of downwardly deflecting the preformed flange of the head for engagement with the container bodywall flange, as shown in Fig. 5.

Figure 5 is an enlarged fragmentary sectional elevation showing the head inserted in the upper and the body wall.

Referring by numerals to the accompanying drawing, the body I of the container has a counter-sunk head 8 with the extending end of the side wall 9 in folded and crimped securance with the body wall Ila, at the upper end thereof to provide the improved container chime l0, shown in Figs. 1 and 6.

As both the upper and lower heads of the container are similar and are secured to the container body wall in the same manner, only the upper head 8 is shown and described.

The head 8 in its formation has the end wall II and an outwardly extending annular flange l2 at the free end of the side wall 9, and the end wall having the filling and dispensing opening l3 for the reception of a closure cap, not shown.

After the head 8 has been formed to provide the right-angular flange l2 on the outer end of the side wall 9 thereof as shown in Fig. 2, forming rolls M-l 5 are engaged against the side wall 9 of the head to provide an inwardly disposed relatively deep recess l6 beneath the flange l2, and to form an annular groove IT in the side wall 9 adjacent and above the end wall ll of the head 8 as shown in Fig. 3.

The body wall Fla is operated on at its upper end to provide an outwardly disposed depending annular flange I8, and said flange may if required, be downwardly bent against the wall as shown at IS in dotted lines in Fig. 4.

The flange l2 of the head 8 is then operated on by dies or other forming devices to deflect the flange to the approximate angle shown in Fig. 4a, in readiness to receive the depending flange l8 of the body wall lla thereunder, when the head is forceably inserted in the upper end of the container body I, as shown in Fig. 5. I

After the insertion of the head 8 in the con.- tainer body I, a die 20 having an annular deflecting flange part 2| is engaged to operate on the flanged ends of the head and body, ready to downwardly press and fold the respectiveflanges l2 and [B into the annular recess l6 of the side.

ofthe outer surface of the into the recess l6 of the head with the flange I2 of the head in flush alignment with the outer surface of the body wall Ha of the container, thus completing the formation of this improved chime II] as shown in'Fig. 6, however, after the inner surfaces of the folded and crimped together parts have been soldered or tinned to provide an extremely tight joint. I

Simultaneously with the crimping or folding securance of the flanges |8I2 in the recess I6 an annular groove 23 may be formed in the body wall Ila to press an inwardly disposed bead 24 into seating engagement with the groove H of the head 'side wall 9 to form a seal-tight joint betweenthe head and body wall outwardly of and adjacent the end wall I as shown in Fig. 6.

The aforedescribed method of making this improved chime end construction to metallic containers and the like provides an extremely strong chime'at each end of the container without the inclusion of a reinforcing or clamping ring heretofore used in chime construction and by reason container being flush, sliding of containers oneupon another is enhanced.

Obviously, constructional modifications of the l of the head 8, also structure and/or method shown are possible without departing from the spirit and scope of the present invention and therefore it is to be understood that it is not necessary to limit the invention by the terms used in the foregoing description.

What I claim is:

,1. The method of making a container chime consisting of forming a flanged counter-sunk head with a pair of annular recesses in the side wall thereof, of fianging an end of a container body, of mounting the head in the flanged end of the body, of pressing the flanges of the head and body into one of the recesses of the head, and of pressing the body into conformity with the other recess of the head.

2. The method ofmaking a container chime consisting of forming a flanged counter-sunk head with a pair of annular recesses in the side wall thereof, of flanging an end of a container body, of mounting the head in the flanged end of the body, and of simultaneously pressing the flanges of the head andbody into one of the recesses of the. head and the body into conformity with the other recess of the head.

' LOUIS B. WACKMAN.