Who Invented The First Can Opener – A small published work on field canned foods by the United States military from World War II through 1980. Originally designed and distributed by K-ration, later incorporated by C – ration. Until 2020 it is produced and sold all over the world.
The P-38 was known as the “John Wayne” by the United States Marine Corps, due to its toughness and durability.
Who Invented The First Can Opener
The cup stick is about the size of a bag, about 1.5 inches (38 mm) long, and has a short metal blade that acts as a handle, with small metal teeth, which twist to penetrate the lid of the cup. mug.
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The hinge under the hinge area keeps the operator clean around the rim of the cup as the machine “walks” around to cut the lid. The larger version called the P-51 was easier to operate. The handle can also serve as an improvised flat-blade screwdriver, with limited power due to the relatively soft sheet metal used.
Official military designations for the P-38 include “US Military CAN OPERATE” and “OPER, CAN, HAND, FOLDING, TYPE I”. As with other military words, e.g. “jeep”, the origin of the word is not known for certain; the P-38 oper coincidentally shares a name with the Lockheed P-38 Lightning fighter jet, which may refer to its rapid operation, as well as what the P-51 can do with the North American aircraft name P-51 Mustang .
One explanation for the origin of the name is that the P-38 was about 38mm long. This information is also available for the P-51, which measures 2.0 inches (51 mm) in length. However, use of the US metric system was not widespread at this point, and US Army sources indicate that the origin of the name is rooted in the 38 points around the circumference of the C-ration that may be required for operation.
P-38s are no longer used for individual rations by the US Army, as canned C-rations were replaced by MRE rations in the 1980s, packaged in plastic bags. The larger P-51s came with American military “Tray Rations” (bulk canned meals). They are also involved in disaster recovery efforts and are given along with canned food to relief groups, both in the United States and overseas in Afghanistan.
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(branded as “Speaker USA”) and by Washburn Corporation (branded as “US Androck”); they were later manufactured by Mallin Shelby Hardware inc (defunct 1973) of Shelby, Ohio and badged variously “US Mallin Shelby O.” or “U.S. Shelby Co.”
The P-38 was cheaper to produce than the standard available and was smaller and lighter to transport. The device easily attaches to a key ring or dog tag chain using small punched holes.
From its hidden and folded position. Th, for a right-handed user, the P-38 sits on the right side of a flat top section, with the cutting tip down and away from the user, while also inserting the rim of the cup through the circular notch. in the flat long section next to the cutting edge. The cups are in the left hand, and the right hand rotates slightly clockwise, causing the lid of the cup to pierce.
The cup is rotated clockwise with the left hand, while the right hand rotates slightly counterclockwise and slightly, until the cup is rotated 360 degrees and the lid is almost free. The palm cover is now lifted, usually with the P-38’s cutting edge, and the P-38 is destroyed and the cutting point is returned to its left, bent, position. The P-38 can be returned to its stored location, whether hanging from a dog tag chain around the neck, or in a pocket when the P-38 is attached to a keychain.
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Left-handed users simply hold the P-38 in their left hand, with the cut point facing them, while holding the actuation cup in their right hand, also rotating the axis on the go, which is termed a hand cut. By convention, 38 cuts are required to open a can of C-Rations as described.
A left-handed user is at a slight disadvantage because the tip of the thumb (rather than the outside of the distal index finger) must utilize the joint travel and impact force. The thumbs of the righteous have only the power to twist.
A similar device including a teaspoon on one and an open bottle on the other is currently used by the Australian Air Force and New Zealand Army in their deployment equipment. The space-eating machine is known by the acronym “FRED”. He is also known by his nickname, “The Ridiculous Eating Machine”.
Another similar device exists in the British Army’s 24-hour “Operational Ration Pack, General Purpose” ration pack units and Composite (14 man) “Compo” Ration Pack units. At one point they were produced by W.P. Warren Engineering Co. Ltd, Birmingham, living room. The instructions printed on the unprotected booklet given to them read:
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ON OP CAN: Position the operator in the can with the edge of the can inside the holes. Bring your thumb and forefinger forward and continue the stitch. Repeat the movement until op.
It takes about 38 rounds to fill a can of C-ration. Their design is similar to, but not identical to, the operational P-38 and P-51.
The Swedish military also uses a variant of this work. Its official certification is M7481-021000 Konservbrytara Mini distributed in the famous “Gold Cups” (Swedish-style space units wrapped in golden colored silver pieces). In 1924, a similar device was introduced by Popular Mechanics, without the intention of a military community.
A model similar to the P-38, but with a non-folding blade, has been popular in Poland for years. You can also find it in shops and butterfly tail work. Let’s go back to 1795 when the head of the French army, Napoleon Bonaparte, offered a huge prize to anyone who could invent a method of conservation that would allow the army to be fed. stay fresh for a long time. In the early 1800’s, an inventor named Peter Durand took up the challenge and created the world’s first cup made of wrought iron and tin (which is a very heavy metal!)!
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Now, we know what you’re thinking, how is a cute little boy going to cut his way through a metal tool? Well, frankly, they can’t! The first cans produced were usually very, very thick, and as such, the manufacturer’s suggested method of opening them was a good old fashioned hammer and chisel. As expected, finding a hammer and chisel every time you want a cup of soup isn’t good, or fine.
Fast forward to 1858 when sheet metal began to replace sheet metal, and it wasn’t long after that the first steel plate was born. An American inventor, Ezra J Warner, created a blade that pierced the lid of the mug, while another part was carved around the rim. Its only drawback is that when the lid is removed, it reveals a jagged steel edge which looks like a serious health hazard (let’s just say that many fingers were lost to this blade in the 1860s) .
Despite his downfall, Ezra Warner’s innovation served its purpose with soldiers during the Civil War and in supermarkets where employees opened cans for customers to take home. No wonder, it doesn’t work at home!
Several attempts to improve upon Warner’s invention were made over the next ten years and finally the modern outdoor platform as we know it today came to life, with another US inventor, William Lyman, the first inventing a rotary cutter to cut around the 1870. .
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However, it wasn’t until 1931 when the needle design used today was implemented by one Charles Arthur Bunker, whose design remains the standard for needle beginners to this day! It’s an ancient process to get there, isn’t it?
While the Bunker design is suitable for home use, it’s not the most practical for hotels and restaurants that use cans on a large scale. For such areas, help was at hand when in the 1940’s, the now popular commercial and industrial Bonzer counter top can openers were first designed and manufactured. Like Bunker’s invention, Bonzer’s design has been passed down from generation to generation and although there have been updates and improvements by the Mitchell & Cooper design team over the last 80 years, the basic design concept has remained consistent with the original product in all years. first. first!
Bonzer’s quality and durability has been proven many times, not least by the opener’s ability to survive 70 Antarctic winters (you can read more about that amazing story here!). As well as the