High-Temperature Sterilization Bag with Venting Function

The present disclosure relates to bags, b and more particularly, to a high-temperature sterilization bag with venting function.

Regarding the conventional material for sealed packaged food, plastic films are used to manufacture a sealed bag. During the heating process, especially in microwave heating, temperature of the steam in the sealed space of the bag rapidly increases. The sealing integrity and strength of the packaging material are often insufficient to withstand the internal pressure, causing a risk of burst.

Therefore, for current sealed bag, user has to tear a small opening on the plastic film before microwave heating, so as to prevent excessive expansion of the food and air inside the bag.

However, during the heating process, it is still impossible to completely avoid leakage of internal liquid. Therefore, improvement of the conventional sealed bag is still desirable.

The present disclosure aims at improving the inconvenience of tearing an opening on the sealed bag before microwave heating and resolving the issue of liquid leakage during the heating process.

For achieving the aforementioned objectives, an embodiment of the present disclosure provides a high-temperature sterilization bag with venting function, comprising a main body. The main body is formed of a high-temperature resistant material and has a containing space, with a filling port disposed on one end of the main body for filling object therethrough, and at least a U-shaped venting portion disposed on a lateral side of the main body. The venting portion has at least three fifths of its volume arranged in the containing space.

Another embodiment of the present disclosure provides a high-temperature sterilization bag with venting function, comprising a main body, which is formed of a first heat-resistant layer and a second heat-resistant layer that are overlapping and sealed, with a sealing strip formed on both lateral sides thereof, respectively, wherein one of the sealing strips has a perforation. The main body has a containing space, a filling port, and a venting portion, wherein the containing space is not in communication with the perforation, the filling port is disposed on one end of the main body, and the venting portion is located on the side surface of the main body.

With such configuration, the present disclosure provides a high-temperature sterilization bag with venting function during the microwave heating process. In the heating process, steam thereby generated is able to be smoothly discharged from the venting portion without the necessity of tearing an opening on the high-temperature sterilization bag, thereby preventing explosion due to excessive internal pressure within the bag.

The aforementioned and further advantages and features of the present disclosure will be understood by reference to the description of the preferred embodiments in conjunction with the accompanying drawings where the components are illustrated based on a proportion for explanation but not subject to the actual component proportion.

Referring toto, the present disclosure provides a high-temperature sterilization bag with venting function, comprising a main body. The main bodyis formed of a first heat-resistant layerand a second heat-resistant layerthat are overlapping and sealed. Referring to, the second heat-resistant layeris shown by a dashed line illustrating that the second heat-resistant layeris disposed on the opposite side. The main bodyis formed of a heat-resistant material and has a containing space, a filling porton one end of the main bodyfor filling object therethrough, and at least a venting portionformed in a U shape and disposed on a lateral side of the main body. The venting portionhas at least three fifths of its volume arranged in the containing space.

Referring toand, an arc area of the U-shaped venting portionis located in the containing space, facilitating a highly effective and efficient venting function.

Referring toand, a notch of the U-shaped venting portionis not in communication with the containing space.

Referring toand, a tear notchis allowed to be disposed on one or both lateral sides of the main body, such that the user is able to tear an opening on the main bodythrough the tearing notch.

Referring toin view of, a food ingredientpasses through the filling portto be filled into the containing spaceof the main body, and the filling portis heat sealed after the filling operation.

Referring toin view ofand, when the high-temperature sterilization bag with venting function of the present disclosure is to be microwave heated, the main bodyis allowed to be directly placed in the microwave without the need to tear an opening on the main bodyfirst. During the microwave heating process, a part of liquid transforms into gas, and the gas temperature in the containing spaceincreases, such that the volume of the containing spaceaccordingly increases. When the containing spaceis unable to contain more gas, excessive gas will be discharged through the venting portion.

Referring toand, a high-temperature sterilization bag with venting function is provided. The main bodyis formed of a first heat-resistant layerand a second heat-resistant layerthat are overlapping and sealed, with a sealing stripformed on both sides thereof, respectively, wherein at least one of the sealing stripshas a tear notch, and one of the sealing stripshas a perforation. The main bodyhas a containing space, a filling port, and a venting portion, wherein the containing spaceis not in communication with the perforation, the filling portis disposed on one end of the main body, and the venting portionis located on the side surface of the main body. The venting portionhas at least three fifths of its volume arranged in the containing space. The venting portionprotrudes toward one side of the main body. A sealing areais formed in an area neighboring the venting portionand the sealing stripand arranged in adjacent to the perforation, wherein the sealing areais not in communication with the containing space. The main bodycomprises a through holeon the top part. The difference betweenandlies in that the venting portioninis formed in an approximate cone shape, and the venting portioninis formed in an approximate rectangular shape.

With the foregoing configuration, the present disclosure achieves following advantages.

A highly effective venting structure is achieved. The main bodyhas the U-shaped venting portionon a lateral side thereof, and the venting portionhas at least three fifths of its volume arranged in the containing space, so as to ensure an effective and efficient venting function. When the pressure within the main bodyincreases, the excessive gas will be discharged through the venting portion, thereby preventing the main bodyfrom burst and maintaining the stability of the main body.

False vacuum is avoided. By providing a perforationallowing inflow and outflow of gas, a pressure equilibrium is achieved during the overlapping sealing process of the first heat-resistant layerand the second heat-resistant layer, so as to prevent the distortion or deformation between the first heat-resistant layerand the second heat-resistant layer. Also, formation of bubbles during the sealing process is reduced, so as to ensure the sealing integrity between the first heat-resistant layerand the second heat-resistant layer, improving the sealing quality.

The present disclosure is microwave heating friendly. When the present disclosure is to undergo microwave heating, the user does not have to tear an opening on the main body. During the microwave heating process, the main bodywill expand, and when there is excessive gas, the excessive gas will be discharged through the venting portion, ensuring the safety of the heating process.

The present disclosure is heat-resistant. The main bodyis formed of heat-resistant material, so as to be heat-resistant.

The filling portfacilitates convenience of usage. The main bodycomprises a filling porton one end thereof, so that the food ingredientsor other objects are filled into the containing space. After the filling process, the filling portis allowed to be heat sealed, ensuring the sealing integrity and hygiene.

The disclosure has the tear notchfacilitating convenience of usage. The main bodycomprises the tear notchon one or both lateral sides thereof, allowing the user to easily tear an opening therethrough on the main bodyfor taking out the food ingredientstherein or for subsequent processing.

Although particular embodiments of the disclosure have been described in detail for purposes of illustration, various modifications and enhancements may be made without departing from the spirit and scope of the disclosure. Accordingly, the disclosure is not to be limited except as by the appended claims.