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US1703778A - Device for opening containers, boxes, tins, or the like - Google Patents

Device for opening containers, boxes, tins, or the like Download PDF

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Publication number
US1703778A
US1703778A US247391A US24739128A US1703778A US 1703778 A US1703778 A US 1703778A US 247391 A US247391 A US 247391A US 24739128 A US24739128 A US 24739128A US 1703778 A US1703778 A US 1703778A
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United States
Prior art keywords
tins
boxes
opening containers
opener
edge
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
Application number
US247391A
Inventor
Polak Bohumil
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Individual
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Individual
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Publication date
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Publication of US1703778A publication Critical patent/US1703778A/en
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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

  • BOHUMIL 201.1 or PRAGUE, ozEcnosLovAxm.
  • This invention concerns improvements in or relating to devices for opening containers, boxes, tins or the like.
  • Fig. 1 is asection on the line 11 in Fig. 2
  • Fig. 2 is a horizontal projection
  • Fig. 3 a section on the line 33 in Fig. 2.
  • the opener consists of an ovalstrip of sheet metal a with I a raised central portion 6 of oval shape and is provided with an opening 0 to accommodate a hollow rivet for the purpose of securing the opener to the lower portion of the container.
  • the opener is providedwith a pressed out peripheral groove fraround the entire circumference of the raised middle portion 6 by means of which it engages with the edge of the cover.
  • the edge g of the opener is turned over along the whole circumference approximately at right angles in the opposite direction to that in which the middle portion 6 protrudes, thus stiffening up the structure and removing the possibility of the operator cutting his hands on the edge of the opener.
  • 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 3 perforated, for this opener, so that'the tightness of the cover is as perfect as that of containers not provided with an opener.
  • V Device for opening containers, boxes, tins or the like, consisting of a flat pivoted member having a raised central portion with a peripheral groove which is adapted to engage with and lift up the edge of the lid of the container, and further having the edge turned over along the whole circumference approximately at right angles in the opposite direction to that in which the middle portion protudes.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Storage Of Harvested Produce (AREA)
  • Packages (AREA)

Description

Feb. 26, 1929. r B. POLAK DEVICE FOR OPENING CONTAINERS, BOXES, TINS, OR THE LIKE Filed Jan. 17, 1928 9 44. 2 a a. a 5 T M i H ,0 w 9 m a Patented Feb. 26, 1929.
PATENT OFFICE.
BOHUMIL 201.1, or PRAGUE, ozEcnosLovAxm.
DEVICE FOR OPENING CONTAINERS, BOXES, TINS, OR THE LIKE.
Application filed January 17, 1928, Serial No. 247,391, and in Germany May 27, 1927.
This invention concerns improvements in or relating to devices for opening containers, boxes, tins or the like.
An embodiment of the invention is illustrated in. the accompanying drawing in which:
Fig. 1 is asection on the line 11 in Fig. 2, Fig. 2 is a horizontal projection, and Fig. 3 a section on the line 33 in Fig. 2. Referring to the drawing the opener consists of an ovalstrip of sheet metal a with I a raised central portion 6 of oval shape and is provided with an opening 0 to accommodate a hollow rivet for the purpose of securing the opener to the lower portion of the container. The opener is providedwith a pressed out peripheral groove fraround the entire circumference of the raised middle portion 6 by means of which it engages with the edge of the cover. The edge g of the opener is turned over along the whole circumference approximately at right angles in the opposite direction to that in which the middle portion 6 protrudes, thus stiffening up the structure and removing the possibility of the operator cutting his hands on the edge of the opener.
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 3 perforated, for this opener, so that'the tightness of the cover is as perfect as that of containers not provided with an opener.
Having now particularly described and ascertained the nature of my invention and in What manner the same is to be performed, I declare that what I claim is:
Device for opening containers, boxes, tins or the like, consisting of a flat pivoted member having a raised central portion with a peripheral groove which is adapted to engage with and lift up the edge of the lid of the container, and further having the edge turned over along the whole circumference approximately at right angles in the opposite direction to that in which the middle portion protudes. V
In testimony whereof I have signed my name to this specification.
BOHUMIL POLAK.
US247391A 1927-05-27 1928-01-17 Device for opening containers, boxes, tins, or the like Expired - Lifetime US1703778A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1703778X 1927-05-27

Publications (1)

Publication Number Publication Date
US1703778A true US1703778A (en) 1929-02-26

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US247391A Expired - Lifetime US1703778A (en) 1927-05-27 1928-01-17 Device for opening containers, boxes, tins, or the like

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US (1) US1703778A (en)

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