Laminated lidstock and package made therefrom
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-075/62
B65D-065/28
출원번호
US-0156986
(2008-06-06)
등록번호
US-8354132
(2013-01-15)
발명자
/ 주소
Stephens, Chad
Finley, David M.
Price, Cindy
Scroggs, Jason
Lancaster, Darrell
출원인 / 주소
Cryovac, Inc.
인용정보
피인용 횟수 :
0인용 특허 :
65
초록▼
A laminated lidstock includes a substrate film, a support web; a pressure sensitive adhesive disposed between the substrate and support webs, and covering the substrate film and support web; a product die cut disposed in the substrate film; and an array of opening die cuts disposed in the substrate
A laminated lidstock includes a substrate film, a support web; a pressure sensitive adhesive disposed between the substrate and support webs, and covering the substrate film and support web; a product die cut disposed in the substrate film; and an array of opening die cuts disposed in the substrate film; wherein at least one of substrate film and the support web comprises an oxygen barrier, and wherein at least one of the substrate film and the support web carries a registration device. A method of making the lidstock, and a package, are also disclosed.
대표청구항▼
1. A reclosable package comprising: a) a tray comprising a tray bottom, tray sides, and a tray flange, wherein the tray bottom and tray sides define a tray cavity;b) a food product disposed in the tray cavity;c) a laminated lidstock, hermetically sealed to the tray flange, comprising i) a substrate
1. A reclosable package comprising: a) a tray comprising a tray bottom, tray sides, and a tray flange, wherein the tray bottom and tray sides define a tray cavity;b) a food product disposed in the tray cavity;c) a laminated lidstock, hermetically sealed to the tray flange, comprising i) a substrate film comprising (a) an outer laminating layer comprising a thermoplastic material, the outer laminating layer having an outer surface to which a support web can be adhered with a pressure sensitive adhesive, and(b) an inner sealing layer comprising a thermoplastic material, the inner sealing layer having a surface which can be sealed to the tray flange;ii) a support web having an outer surface and an inner surface, comprising a thermoplastic material selected from polyester, polyamide, and polyolefin;iii) a pressure sensitive adhesive disposed between and adhering the substrate film and the support web, and covering the outer surface of the outer laminating layer of the substrate film and the inner surface of the support web;iv) a product die cut disposed in the substrate film, but not substantially present in the support web; andv) an array of opening die cuts disposed in the substrate film, but not substantially present in the support web, the array comprising a plurality of opening die cuts parallel to one another, and a heat seal segment, forming part of an overall perimeter seal, disposed within the plurality of opening die cuts; andd) a pull tab disposed at one end or corner of the package;wherein the inner sealant layer of the substrate film is sealed to the tray flange. 2. The package of claim 1 wherein at least one of substrate film and the support web comprises an oxygen barrier having an oxygen permeability, of the oxygen barrier, less than 50 cm3 O2/m2 • day • atmosphere measured at a thickness of 1 mil (ASTM D 3985). 3. The package of claim 2 wherein the support web comprises a coating, adhered to the outer surface of the support web, comprising the oxygen barrier. 4. The package of claim 1 at least one of the product die cut and array of opening die cuts comprises a score. 5. The package of claim 1 wherein printed indicia is disposed on at least one of (a) the outer surface of the outer laminating layer of the substrate film, and(b) the inner surface of the support web; such that the printed indicia are disposed between the substrate film and the support web. 6. The package of claim 1 wherein the array of opening die cuts comprises a plurality of parallel die cuts, spaced apart from one another, and positioned parallel to and spaced apart from a first end of the laminated lidstock. 7. The package of claim 1 wherein the array of opening die cuts comprises a plurality of parallel die cuts, spaced apart from one another, positioned in a corner of the laminated lidstock, and at an angle to a first end of the lidstock, and a first side of the lidstock.
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McBride ; Jr. John S. (Spartanburg SC) O\Connor Kenneth J. (Spartanburg SC), Method of preparing surface for receiving a coating and apparatus therefor.
McBride ; Jr. John S. (Spartanburg SC) O\Connor Kenneth J. (Spartanburg SC), Method of preparing surface for receiving a coating and apparatus therefor.
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