Patent
Opening device for can
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TLDR
In this article, an opening device for a can, which is constructed such that the contents of the can flow out and exterior air is simultaneously introduced into the can, is described.Abstract:
The present invention relates to an opening device for a can, which is constructed such that the contents of the can flow out and exterior air is simultaneously introduced into the can. The opening device of the present invention comprises first and second opening portions 122 and 124 through which the contents flow out and the exterior air is introduced into the can upon opening thereof, respectively, and which are disposed to be opposite to each other at both sides of the top surface 110 of the can and defined by incision lines 122a and 124a so that a part of each of the opening portions is attached to the top surface; and a tab 140 mounted on the top surface of the can by means of a first rivet stub Ra installed outside of the first opening portion and a second rivet stub Rb installed within the second opening portion. The second opening portion is opened while being lifted together with the second rivet stub Rb, the first opening portion is opened while being pressed by a pressing portion 144 around the first rivet stub, and the second rivet stub is formed to be closer to a grip 172 of the tab 170 than the first rivet stub.read more
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Vented beverage can end
TL;DR: In this article, a beverage can end for seaming onto a can body may include a peripheral wall, a center panel, a tab attached to the center panel by a rivet (56), a tear panel (41b), a main reference line, a transverse reference line (RT), and a score (31b).
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References
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Patent
Easy-open ecology end
TL;DR: An improved easy-opening end structure for use with a container includes a retained tab and a captured panel which is also retained as mentioned in this paper, and the end structure includes a scoreline of an improved pinched score variety.
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TL;DR: In this paper, an easy-open construction for a container wherein a panel principally defined by a rupturable score line in a wall is opened by operating a tab having one end adapted to press against the panel at a position spaced from the score line and overlying only a small portion of the opening left by the panel in its opened position.
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TL;DR: In this article, a non-detachable lever lift tab for opening a beverage container is improved by changing the fulcrum or pivot point to a central position within the area of the lifting tab.
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TL;DR: A container end member has a peripheral wall and integral central end wall portion with a stay-on-tab mounted on the central end-wall portion for pivotal and rotational movement and a score line groove defined by two spaced apart terminal ends formed in the central-end wall portion for defining a severable panel portion that when severed will provide an elongated opening that vents the container to permit pouring of the beverage in the container at faster pour rates than now available.
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Beverage can with an opener
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