US1734877A - Device for opening containers, boxes, tins, or the like - Google Patents
Device for opening containers, boxes, tins, or the like Download PDFInfo
- Publication number
- US1734877A US1734877A US150311A US15031126A US1734877A US 1734877 A US1734877 A US 1734877A US 150311 A US150311 A US 150311A US 15031126 A US15031126 A US 15031126A US 1734877 A US1734877 A US 1734877A
- Authority
- US
- United States
- Prior art keywords
- tins
- boxes
- opener
- container
- opening containers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- 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
- B65D43/26—Mechanisms for opening or closing, e.g. pedal-operated
- B65D43/265—Mechanisms for opening or closing, e.g. pedal-operated consisting of levers pivoting perpendicularly to container axis, e.g. butterfly levers
Definitions
- This invention concerns improvements in or relating to devices for opening containers, boxes, tins or the like.
- Openers having the shape of a lever or an eccentric and provided with a grip bent up at right angles are known. This construction, however, necessitates the use of massive materials.
- the opener according to the present invention is formed from thin sheet metal and has a peripheral groove whereby it is in engagement with the cover of the container so that it cannot fail to function and the opening operation can be effected by rotating it in the one or other direction.
- FIG. 1 is a front elevation of one embodiment
- Fig. 2 a section on the line 22 in Fig. 1,
- Fig. 3 a section on the line 3-3 in Fig. 1,
- Fig. 4 an elevation of a second embodiment
- Fig. 5 a section on the line 55 in Fig. 4,
- Fig. 6 a section on the line 6-6 in Fig. 4.
- the openers illustrated in Figs. 1-6 each consist of a comparatively long strip a of sheet metal with a raised centre portion which is of Circular 6 Figs. L3) or approximately elliptical to Figs. 46) shape and is provided with an opening to accommodate a hollow rivet c for the purpose of securing the opener to the lower portion cl of the container.
- the opener is made from thin sheet metal and is provided with a pressed out peripheral groove f around the entire circumference of the raised middle portion 5 or b.
- the opener engages with the edge of the cover e of the container by means of said groove.
- Strengthening edges 9 are formed at each end of the opener, this replacing the usual grips bent outwards at right angles.
- cylindrical raised portions h which are connected together by hollow pressed up longitudinal ribs 2' connected in turn by similar cross ribs are pressed out at the two ends of 7 the sheet metal member (1?.
- the peripheral groove f is disposed partly in the raised portions h and partly in the longitudinal ribs 2'.
- a closed oval hollow rib 7c is pressed in an eccentrically pivoted oval sheet metal member a and a peripheral groove f in the said rib.
- the member a has a stepped extension (1, of which the centre portion Zis raised to serve as a grip.
- the hole for the connecting rivet 0 is preferably stiffened by bending the material twice whereby breaking of the edge thereof by the rivet is prevented.
- a receptacle having a lid telescoping thereupon, the telescoping sides of said receptacle and lid forming an uninterrupted tightly contacting sealing zone of uniform Width, the side of said receptacle being formed with a slight depression the bounds of which do not encroach upon said sealing zone, a cam device pivoted in the area of said depression at such point that it lies normally Wholly below the edge of said lid the lid engaging portion of said cam device comprising a grooved flange, the trough of Whose groove is adapted to embrace the free edge of said lid adjacent said depression.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Opening Bottles Or Cans (AREA)
Description
B. POLAK Nov. 5, 1929.
DEVICE FOR OPENING CONTAINERS, BOXES, TINS, OR THE LIKE Filed Nov. 23. 1926 INVENTOR B. POL/1K by f ATTORNEYS Patented Nov. 5, 1929 UNITED STATES IBOHUMIL POLAK, OF PRAHA-KARLIN, CZECHOSLOVAKIA DEVICE FOR OPENING CONTAINERS, BOXES, TINS, OR THE LIKE,
Application filed November 23, 1926, Serial No.
This invention concerns improvements in or relating to devices for opening containers, boxes, tins or the like.
Openers having the shape of a lever or an eccentric and provided with a grip bent up at right angles are known. This construction, however, necessitates the use of massive materials. The opener according to the present invention is formed from thin sheet metal and has a peripheral groove whereby it is in engagement with the cover of the container so that it cannot fail to function and the opening operation can be effected by rotating it in the one or other direction.
Practical embodiments of the invention are illustrated by way of example in the accompanying drawings in which Fig. 1 is a front elevation of one embodiment,
Fig. 2 a section on the line 22 in Fig. 1,
Fig. 3 a section on the line 3-3 in Fig. 1,
Fig. 4 an elevation of a second embodiment,
Fig. 5 a section on the line 55 in Fig. 4,
Fig. 6 a section on the line 6-6 in Fig. 4.
Referring to the drawings the openers illustrated in Figs. 1-6 each consist of a comparatively long strip a of sheet metal with a raised centre portion which is of Circular 6 Figs. L3) or approximately elliptical to Figs. 46) shape and is provided with an opening to accommodate a hollow rivet c for the purpose of securing the opener to the lower portion cl of the container.
According to the invent-ion the opener is made from thin sheet metal and is provided with a pressed out peripheral groove f around the entire circumference of the raised middle portion 5 or b. The opener engages with the edge of the cover e of the container by means of said groove. Strengthening edges 9 are formed at each end of the opener, this replacing the usual grips bent outwards at right angles.
The construction described enables the opener to be secured to the container in a novel 150,311, and in Czechoslovakia A'pril 28, 1926.
manner. A small flat surface extending to the edge only of the closed cover is pressed up in the lower part of the container when the same is perforated so that the tightness of the cover is as perfect as that of containers 60 not provided with an opener. This advantage is most important since with the types of opener known hitherto the tightness of the container was impaired by the pressing of various grooves or recesses at parts of the con tainer which should be tightly closed so that the contents quickly dried up and lost its quality. In known constructions in which the container is not pressed out to receive the opener, covers were used hitherto which had an edge extended by a stiffening flange whereby the container is made considerably more expensive and the tightness thereof impaired since the cover loses elasticity due to the flange and becomes loose.
In the third embodiment (Figs. 7-9) cylindrical raised portions h which are connected together by hollow pressed up longitudinal ribs 2' connected in turn by similar cross ribs are pressed out at the two ends of 7 the sheet metal member (1?. The peripheral groove f is disposed partly in the raised portions h and partly in the longitudinal ribs 2'.
In the fourth embodiment (Figs. 10-12) a closed oval hollow rib 7c is pressed in an eccentrically pivoted oval sheet metal member a and a peripheral groove f in the said rib. The member a has a stepped extension (1, of which the centre portion Zis raised to serve as a grip. I
The hole for the connecting rivet 0 is preferably stiffened by bending the material twice whereby breaking of the edge thereof by the rivet is prevented.
Having now particularly described and ascertained the nature of my said invention and in what manner the same is to be performed, I declare that what I claim is:
In combination a receptacle having a lid telescoping thereupon, the telescoping sides of said receptacle and lid forming an uninterrupted tightly contacting sealing zone of uniform Width, the side of said receptacle being formed with a slight depression the bounds of which do not encroach upon said sealing zone, a cam device pivoted in the area of said depression at such point that it lies normally Wholly below the edge of said lid the lid engaging portion of said cam device comprising a grooved flange, the trough of Whose groove is adapted to embrace the free edge of said lid adjacent said depression.
In testimony whereof I affix my signature.
' BOHUMIL POLA K.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US236569A US1717253A (en) | 1926-11-23 | 1927-11-29 | Lid opener for receptacles |
US236568A US1717252A (en) | 1926-11-23 | 1927-11-29 | Lid opener for receptacles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS1734877X | 1926-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
US1734877A true US1734877A (en) | 1929-11-05 |
Family
ID=5458407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US150311A Expired - Lifetime US1734877A (en) | 1926-04-28 | 1926-11-23 | Device for opening containers, boxes, tins, or the like |
Country Status (1)
Country | Link |
---|---|
US (1) | US1734877A (en) |
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1926
- 1926-11-23 US US150311A patent/US1734877A/en not_active Expired - Lifetime
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