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US 11,440,693 B2Granted
Manufacturing process for packaged pet food
AssigneeMars, Incorporated
InventorsRomian Rushard McGhee, Allan Jay Root, Jeffrey Wayne Aubuchon, Nicholas A. Di Blasi, Scott Clayton Keck
Life of this patent
Estimating the term…
Abstract
Pet food bags, and methods of making the same, contain a seal that resists air exchange more than conventional bags thereby protecting nutritional ingredients that are susceptible to oxidation.
Claims15
A method comprising:
- contacting an outside surface of a first substrate at a first location with a first heating bar and contacting an outside surface of a second substrate at a second location that is opposite the first location with a first non-heating bar to form a first seal that seals the first substrate and the second substrate together at a location between the first location and the second location, wherein the first substrate and the second substrate form a pet food bag;
- and
- contacting the outside surface of the first substrate at a third location with a second heating bar and contacting the outside surface of the second substrate at a fourth location that is opposite the third location with a second non-heating bar to form a second seal that seals the first substrate and the second substrate together at a location between the third location and the fourth location.
A method comprising:
- contacting an outside surface of a first substrate at a first location with a first heating bar and contacting an outside surface of a second substrate at a second location that is opposite the first location with a first non-heating bar to form a first seal that seals the first substrate and the second substrate together at a location between the first location and the second location, wherein the first substrate and the second substrate form a pet food bag;
- and
- contacting the outside surface of the first substrate at a third location with a second non-heating bar and contacting the outside surface of the second substrate at a fourth location that is opposite the third location with a second heating bar to form a second seal that seals the first substrate and the second substrate together at a location between the third location and the fourth location.
A method comprising:
- contacting an outside surface of a first substrate at a first location with a first heating bar and contacting an outside surface of a second substrate at a second location that is opposite the first location with a first non-heating bar to form a first seal that seals the first substrate and the second substrate together at a location between the first location and the second location, wherein the first substrate and the second substrate form a pet food bag,
- wherein the first heating bar comprises a thermally conductive material configured to contact the outside surface of the first substrate, and
- wherein first heating bar comprises a substantially trapezoidal shape comprising steel, and the thermally conductive material configured to contact the outside surface of the substrate further has a width from 1/32 inch to ½ inch.
Dependencies are inferred from the claim text.