US186239A - Improvement in sheet-metal cans - Google Patents

Improvement in sheet-metal cans Download PDF

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Publication number
US186239A
US186239A US186239DA US186239A US 186239 A US186239 A US 186239A US 186239D A US186239D A US 186239DA US 186239 A US186239 A US 186239A
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Prior art keywords
rim
cover
sheet
metal
improvement
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0235—Removable lids or covers with integral tamper element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic

Definitions

  • Figure 1 is a section showing the rim or of the cover I) in one piece, with the metal folded at c to form a flange.
  • the flange c is omitted.
  • the rim a is shown asin a separate piece from the cover b, and in the partial section, Fig. 4, the rim to is represented as made of thicker metal.
  • the rim or of the cover b is inserted Within the body f of the can.
  • the metal of the rim a and body f does not touch except at the edge of the rim, Figs. 1 and 2, or at the edge of the body, as in Figs. 3 and 4, the metal being bent at these places, so that the solder at 2 forms a narrow tight joint, and does not spread between the adjacent parallel surfaces; the object being to allow the soldered joint to be easily broken by pressure, as in the aforesaid application.
  • the soldered joint2 is to be made before the can is filled, if the contents are liquid;
  • the soldered joint 2 can be broken by pressure upon the cover by hammering or otherwise, so as to loosen the cover, and allow of its removal in opening the can.
  • a strip, 71., of sheet-iron or other cheap rigid material may be employed. When used as indicated in Figs. 1 and 2, the strip it serves to aid in tearing the rim (it away from the body by passing between the metal parts at the joint. In Fig. 3 this strip h is shown as connected with the rim by folding the edge of the rim inwardly, so that the rim will be strengthened to insure the breaking of the line of solderby pressure, as aforesaid.
  • the rim of the cover being within the can the soldered joint, which necessarily is weak, is located where it is better protected than in those cases where the rim of the cover has been similarly attached outside the can.
  • the soldered joint is protected by being within the can, and in the form shown in Figsv 3 and 4 the joint is protected by the flange of the cover, or in consequence of being near the stiff edge of the cover.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Closures For Containers (AREA)

Description

Ls. FIELD.
SHEET-METAL CAN.
' Patented. J'an.16,1877.
UNITED STATES PATENT OFFICE.
JOSEPH S. FIELD, OF BROOKLYN, NEW YORK.
IMPROVEMENT IN SHEET-METAL CANS.
Specification forming part ofLetters Patent No. 186,239, dated January 16, I877; application filed December 18, 1876.
To all whom it may concern i Be it known that I, JOSEPH S. FIELD, of Brooklyn, in the county of Kings and State ofNew York, have invented an Improvement in Sheet-Metal Cans, of which the following is a specification: I
In an,application for a patent dated December 8, 1876, I have described a can in which the cover is loosened by driving or forcing the same farther upon the can. The rim of the cover, however, came upon the outside of the body of the can. The present invention is a modification of an improvement upon the same, whereby I am enabled to in troduce the rim of the cover Within the body of the can.
In the drawing the metal is shown of unusual thickness for greater clearness.
Figure 1 is a section showing the rim or of the cover I) in one piece, with the metal folded at c to form a flange. In the partial section, Fig. 2, the flange c is omitted. In the section, Fig. 3, the rim a is shown asin a separate piece from the cover b, and in the partial section, Fig. 4, the rim to is represented as made of thicker metal.
Inall instances the rim or of the cover b is inserted Within the body f of the can. The metal of the rim a and body f does not touch except at the edge of the rim, Figs. 1 and 2, or at the edge of the body, as in Figs. 3 and 4, the metal being bent at these places, so that the solder at 2 forms a narrow tight joint, and does not spread between the adjacent parallel surfaces; the object being to allow the soldered joint to be easily broken by pressure, as in the aforesaid application.
The soldered joint2 is to be made before the can is filled, if the contents are liquid;
but if they are solid the joint shown in Figs. 3 and4 can be made after the can is filled. The joint 2 in Figs. 1 and 2 has to be soldered before the bottom is closed.
If the metal of the rim or is sufficiently thick, the soldered joint 2 can be broken by pressure upon the cover by hammering or otherwise, so as to loosen the cover, and allow of its removal in opening the can. If the metal of the rim a is not thick enough to insure the breaking of the soldered joint 2, then a strip, 71., of sheet-iron or other cheap rigid material, may be employed. When used as indicated in Figs. 1 and 2, the strip it serves to aid in tearing the rim (it away from the body by passing between the metal parts at the joint. In Fig. 3 this strip h is shown as connected with the rim by folding the edge of the rim inwardly, so that the rim will be strengthened to insure the breaking of the line of solderby pressure, as aforesaid.
In this improvement, the rim of the cover being within the can, the soldered joint, which necessarily is weak, is located where it is better protected than in those cases where the rim of the cover has been similarly attached outside the can. In the form shown in Figs. 1 and 2 the soldered joint is protected by being within the can, and in the form shown in Figsv 3 and 4 the joint is protected by the flange of the cover, or in consequence of being near the stiff edge of the cover.
I am not the original and first inventor or discoverer of a sheet-metal can provided with an interspace between the cover and body of the can, the two being united by a frangible joint, for the purpose of opening the can by directly-applied vertical force, nor of such a construction when the rim of the can turns against the body, and is soldered thereto only at or near its turned edge.
I claim as my invention- 1. A can having a cover'with the rim passing inside the body, and with the solder applied to the bent edge of the sheet metal, substantially as specified.
2. The combination, with a can and cover, of a separate strip of sheet metal outside the rim of the cover, and within the body of the can, substantially as specified.
*Signed by me this 15th day of December, A. D. 1876.
JOSEPH s. FIELD.
Witnesses:
Geo. T. PINCKNEY, Gno. D. WALKER.
US186239D Improvement in sheet-metal cans Expired - Lifetime US186239A (en)

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