IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0281730
(1994-07-28)
|
발명자
/ 주소 |
- McDonald Duane L. (Neenah WI)
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출원인 / 주소 |
- General Mills, Inc. (Minneapolis MN 02)
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인용정보 |
피인용 횟수 :
22 인용 특허 :
0 |
초록
▼
A package for use in microwave ovens is disclosed in its preferred form of a flexible, tubular bag (18) including expandable side walls (26) interconnected between bottom and top walls (20, 22), an openable end (28), and a permanent end wall (24). The side walls (26) include pleats (26a, 26b, 26c, 2
A package for use in microwave ovens is disclosed in its preferred form of a flexible, tubular bag (18) including expandable side walls (26) interconnected between bottom and top walls (20, 22), an openable end (28), and a permanent end wall (24). The side walls (26) include pleats (26a, 26b, 26c, 26d) which are folded in a collapsed condition of the bag (18) and expand due to internal expansion forces generated by the popping of kernels and the creation of water vapor. In a preferred form, the bag (18) is formed from a single layer of flexible, greaseproof paper of highly refined raw fibers of 100% chemical softwood pulp and having a basis weight in the order of 35 lb./ream. The single layer of paper forming the bag (18) provides greaseproof properties in storage, transportation, and cooking throughout the thickness of the paper to prevent wicking and leaking of grease or oil through the single layer. The bag (18) in a preferred form includes grease protectors (42a, 42b, 42c, 42d) located inside of the bag (18) for sealing the bottom and top walls (20, 22) to the pleats (26a, 26b, 26c, 26d) adjacent to their respective connecting edges and in a most preferred form further includes grease protectors (44a, 44b) outside of the bag (18) for sealing the first and second pleats (26a, 26b) together and the third and fourth pleats (26c, 26d) together adjacent to their respective connecting edges. The grease protectors (42a, 42b, 42c, 42d, 44a, 44b) seal the surfaces of the bag (18) just above and adjacent the connecting edges to block the flow of grease to prevent grease wicking or leaking from the bag (18).
대표청구항
▼
Package for holding a food product including grease or oil and for heating in a microwave oven comprising, in combination: a flexible bag including a bottom wall, a top wall, and at least a first side wall extending between the top and bottom walls, with the top, bottom and side walls including firs
Package for holding a food product including grease or oil and for heating in a microwave oven comprising, in combination: a flexible bag including a bottom wall, a top wall, and at least a first side wall extending between the top and bottom walls, with the top, bottom and side walls including first and second ends, with the first side wall including first and second pleats with the pleats being connected together at first edges and with the first pleat having a second, opposite edge connected to the bottom wall and the second pleat having a third, opposite edge connected to the top wall, with the bag further including an end wall at the first ends of the top, bottom and side walls; susceptor means for converting microwave energy into heat extending over a portion of the bottom wall spaced from the first and second ends of the bottom wall; means for closing the second ends of the top, bottom, and side walls and for allowing the consumer to open the package after microwave cooking; first means inside of the bag joining the first pleat to the bottom wall adjacent to the second edge; and second means inside of the bag joining the second pleat to the top wall adjacent to the third edge, with the first and second joining means preventing the grease or oil from leaking or wicking from inside the bag through the edges.
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