Packaging for perishable goods
First Claim
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1. Improved packaging for perishable goods comprising:
- a base over which said goods are placed,strand means over said goods holding said goods relative to said packaging,a lid positioned over the top of said base and sealed to said base,a space above said goods and under said lid,a gas in said space, said gas selected for enhancing preservation of the packaging goods by contacting the surface of said goods,said gas contacting said goods by passing said strand means and said strand means being of a size permitting viewing of a major portion of an upper surface of said goods.
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Abstract
Improved packaging for perishable goods such as meats comprising a base over which the goods are placed, and a lid positioned over the top of its base and sealed to said base. Strands are placed over the goods for holding said goods relative to the packaging, with a space above the goods and under the lid. A gas is introduced in the space for enhancing preservation of the packaging goods by contacting the surface of the goods. The gas contacts the goods by passing through the strands, with the strands being of a size permitting viewing of a major portion of an upper surface of the goods. The invention further includes the method of and apparatus for producing the packaging.
73 Citations
32 Claims
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1. Improved packaging for perishable goods comprising:
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a base over which said goods are placed, strand means over said goods holding said goods relative to said packaging, a lid positioned over the top of said base and sealed to said base, a space above said goods and under said lid, a gas in said space, said gas selected for enhancing preservation of the packaging goods by contacting the surface of said goods, said gas contacting said goods by passing said strand means and said strand means being of a size permitting viewing of a major portion of an upper surface of said goods. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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- 12. A method of packaging perishable goods in packaging so said goods will be a gas environment which will enhance the keeping properties of said goods said method comprising providing a base, placing goods over said base, applying strand means over said goods, applying a lid over said base over said strand means providing a desired gas between said lid and said base which will enhance the keeping properties of said goods by contacting the surface of said goods and sealing said lid to said base with said gas therebetween, said strands means then holding said goods relative to said packaging and being of a size permitting viewing of a major portion of an upper surface of said goods and allowing said gas to contact said goods by passing said strand means.
- 14. Apparatus for packaging perishable goods in a gas environment to enhance the keeping properties of said goods comprising means for holding a packaged base with said goods over said base, means for applying strand means over said goods over said base, means for applying a lid over said base, means for bringing said base, said strand means and said lid together with a desired gas therebetween said gas being for enhancing the keeping properties of said goods by contacting the surface of said goods, and means for sealing said lid to said base with said strand means and with said gas therebetween whereby said strand means will hold said goods to said packaging, said gas contacting said goods by passing said strand means and said strand means being of a size permitting viewing of a major portion of an upper surface of said goods.
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16. A method of packaging goods, said method having the following steps:
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(a) providing three overlapping webs, the two outer webs being gas barrier webs and the inner web being a gas permeable web; (b) providing goods between a gas barrier web and said gas permeable web; (c) sealing gas flushing chamber means closed about the three webs and the goods prior to any of the three webs being sealed together at a seal path near a perimeter of the packaging; (d) gas flushing the gas flushing chamber means with a gas to enhance the keeping of the goods; and (e) then sealing the three webs together by a sealing means which defines a seal path near what will be a perimeter of the packaging and which extends completely around said seal path, said sealing being of all three webs around said seal path and in said gas flushing chamber means to define a substantially gas impermeable package with said goods and said gas both sealed therein, and allowing said gas to contact said goods. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A goods package, said package having two gas barrier webs and an intermediate gas permeable web, goods between a gas barrier web and said gas permeable web, said webs being sealed together by a seal extending completely around and near the perimeter of the packaging, a gas sealed in a gas barrier manner in the packaging and contacting said goods, said gas selected for enhancing the keeping of said goods,
and wherein the gas barrier web and said gas permeable web that said goods are between is of tray-like configuration with a bottom displaced in height from a peripheral lip, said seal being on said peripheral lip and wherein said height is greater than the height of said goods so when said goods are resting on said gas barrier web said gas permeable web is not touching said goods.
- 31. Apparatus for packaging perishable goods in a gas environment to enhance the keeping of said goods, comprising a gas flushing and sealing chamber means for holding a first web of a gas barrier material with said goods over said first web, and characterized by means for feeding an intermediate web of gas permeable material over said first web, and means for applying a further web of gas barrier material over said first web, said gas flushing and sealing chamber being closeable to bring all three webs together prior to any of those webs being sealed together at a seal path near a perimeter of the packaging, and means for introducing a gas to enhance the keeping of said goods into said gas flushing and sealing chamber, and sealing means in said gas flushing and sealing chamber for then sealing all three webs together in said gas flushing and sealing chamber with said gas sealed in the resulting package.
Specification