In Japan, coffee is a very common beverage. Most people throughout the country like to drink coffee, except for a small number of people who do not drink because of reasons. For 90 years, consumers’ demand for coffee has tended towards genuine products, ordinary coffee has occupied the market once, and the status of ordinary coffee has been affected by the development and promotion of instant coffee. In order to meet consumer demand for new coffee, coffee manufacturers have launched new packages of canned regular coffee.
At present, the packaging of home-usual coffee sold in department stores is broadly divided into film bags and metal cans. The film bags are divided into inflatable packaging, vacuum packaging, packaging with gas permeation valves and gas permeation valves and vacuum packaging; metal cans are also divided into vacuum packaging, replacement gas packaging, oxygen- and carbon dioxide-free absorbent packaging and carbon dioxide-containing packaging. Absorbent vacuum packaging. Most common coffee on the market now use carbon dioxide-containing absorbents or vacuum packaging with gas permeation valves.
The new cans currently being developed are packed into metal cans within 30 minutes of roasting, grinding, and sealing with vacuum technology. In this way, the aromatic emission of coffee can be reduced and the oxidation of the product can be prevented. In addition to the rising internal pressure caused by the carbon dioxide emitted by the ground coffee, the new packaging also has to withstand the continuous reduction of pressure caused by high-valued bankruptcy or oxidation during the filling and sealing process. Most of the metal cans on the market are filled with 1-2 beads in the canister to prevent the cans from gradually reducing the pressure in the center of the cans and causing them to crack. Although this method can be used, the quality of metal cans will inevitably increase. Changing existing cans will increase packaging costs. After repeated trials, the newly made packaging cans consist of a conventional metal can body, a vented cover, a fully open end cap, an outer cover, and a tank bottom. The packaged tank is made of beads, which is lighter than the metal cans of other similar products. It also saves the cost of changing the original tank. In order to prevent coffee from spilling out, this new can also has a spill-proof lid made of LLDPE, which is sealed in a metal can with a full-open end cap at an internal pressure of 0.03 MPa to 0.07 MPa. on. A full 150mm deep nick is engraved around the full open end cap and can be opened only by pulling up the pull tab. The container has three unique features in addition to easy opening.
1. The spill-proof cover has ventilation holes on it. After the full-open end cap is opened, the pressure in the top space of the tank can be adjusted.
2. The diameter of the vent hole is scientifically determined to ensure that the coffee particles do not leak out.
3, the full open end cover tear strength is moderate, easy to open.
At present, the packaging of home-usual coffee sold in department stores is broadly divided into film bags and metal cans. The film bags are divided into inflatable packaging, vacuum packaging, packaging with gas permeation valves and gas permeation valves and vacuum packaging; metal cans are also divided into vacuum packaging, replacement gas packaging, oxygen- and carbon dioxide-free absorbent packaging and carbon dioxide-containing packaging. Absorbent vacuum packaging. Most common coffee on the market now use carbon dioxide-containing absorbents or vacuum packaging with gas permeation valves.
The new cans currently being developed are packed into metal cans within 30 minutes of roasting, grinding, and sealing with vacuum technology. In this way, the aromatic emission of coffee can be reduced and the oxidation of the product can be prevented. In addition to the rising internal pressure caused by the carbon dioxide emitted by the ground coffee, the new packaging also has to withstand the continuous reduction of pressure caused by high-valued bankruptcy or oxidation during the filling and sealing process. Most of the metal cans on the market are filled with 1-2 beads in the canister to prevent the cans from gradually reducing the pressure in the center of the cans and causing them to crack. Although this method can be used, the quality of metal cans will inevitably increase. Changing existing cans will increase packaging costs. After repeated trials, the newly made packaging cans consist of a conventional metal can body, a vented cover, a fully open end cap, an outer cover, and a tank bottom. The packaged tank is made of beads, which is lighter than the metal cans of other similar products. It also saves the cost of changing the original tank. In order to prevent coffee from spilling out, this new can also has a spill-proof lid made of LLDPE, which is sealed in a metal can with a full-open end cap at an internal pressure of 0.03 MPa to 0.07 MPa. on. A full 150mm deep nick is engraved around the full open end cap and can be opened only by pulling up the pull tab. The container has three unique features in addition to easy opening.
1. The spill-proof cover has ventilation holes on it. After the full-open end cap is opened, the pressure in the top space of the tank can be adjusted.
2. The diameter of the vent hole is scientifically determined to ensure that the coffee particles do not leak out.
3, the full open end cover tear strength is moderate, easy to open.
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