Patent ID: 9718600
Date: 2017-08-01
CPC Classifications: B65D,Y10T

Claim:
1. A heatable package bag, comprising: two sheets of outer film, comprising a plurality of inner surfaces; the two sheets of outer film being adhered together by means of hot sealing to form a storage space among the plurality of inner surfaces; adapted to receive an article; a plurality of projections, positioned on at least one of the plurality of inner surfaces, adapted to support a surface of the article; a plurality of guiding channels, each guiding channel formed between any two adjacent projections, air in the storage space flowing along the plurality of guiding channels; and a plurality of pre-breakage portions, positioned within the bottom of the plurality of guiding channels, after the storage space is sealed, the air in the storage space being expanded outward to compress the two sheets of outer film during heating, and at least one of the plurality of pre-breakage portions being broken to form a micro-hole, allowing the air to flow out of the storage space via the plurality of pre-breakage portions, wherein the cross-sectional shape of each of the plurality of pre-breakage portions is of a V-shape, wherein the thickness of the two sheets of outer film is smallest at the plurality of pre-breakage portions, wherein each guiding channel of the plurality of guiding channels is communicatively coupled with each other guiding channel of the plurality of guiding channels, and wherein the inner surface of the pluralities of guiding channels is non-planar.