Methods of making thermal seals and perforations
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-031/18
B32B-031/20
출원번호
US-0880452
(2001-06-13)
발명자
/ 주소
Bohn, Michael L.
Belias, William P.
출원인 / 주소
Pactiv Corporation
대리인 / 주소
Jenkens & Gilchrist
인용정보
피인용 횟수 :
12인용 특허 :
15
초록▼
A method for simultaneously sealing and creating a thermal perforation between two thermoplastic layers that comprises providing two thermoplastic layers. A drum is provided that has at least one sealbar and perforation assembly. The two thermoplastic layers are contacted to the sealbar and perforat
A method for simultaneously sealing and creating a thermal perforation between two thermoplastic layers that comprises providing two thermoplastic layers. A drum is provided that has at least one sealbar and perforation assembly. The two thermoplastic layers are contacted to the sealbar and perforation assembly. The thermoplastic layers are sealed with two generally opposing parallel seals and simultaneously create a thermal perforation in the thermoplastic layers generally parallel to the opposing seals. The thermal perforation is located between the two opposing seals.
대표청구항▼
A method for simultaneously sealing and creating a thermal perforation between two thermoplastic layers that comprises providing two thermoplastic layers. A drum is provided that has at least one sealbar and perforation assembly. The two thermoplastic layers are contacted to the sealbar and perforat
A method for simultaneously sealing and creating a thermal perforation between two thermoplastic layers that comprises providing two thermoplastic layers. A drum is provided that has at least one sealbar and perforation assembly. The two thermoplastic layers are contacted to the sealbar and perforation assembly. The thermoplastic layers are sealed with two generally opposing parallel seals and simultaneously create a thermal perforation in the thermoplastic layers generally parallel to the opposing seals. The thermal perforation is located between the two opposing seals. O; WO98/022690, WO; WO98/026152, WO; WO98/042947, WO; WO98/049423, WO; WO99/002818, WO; WO99/004135, WO; WO99/006670, WO; WO99/008827, WO; WO99/008828, WO; WO99/018328, WO; WO99/023354, WO; WO99/025524, WO; WO99/025951, WO; WO99/035368, WO; WO99/043923, WO; WO00/001926, WO; WO00/004271, WO; WO00/008301, WO; 0026500, WO; 0026501, WO; 0026502, WO; 0031375, WO; 0037767, WO; 0037768, WO; 0037771, WO; 0037772, WO; 0039432, WO; 0046484, WO; 0050727, WO; 0050732, WO; 0050733, WO; 0077431, WO; WO01/04535, WO; WO01/83943, WO; WO02/25059, WO; WO02/095181, WO; WO02/075107, WO; WO02/077411, WO; WO02/081863, WO; WO02/081864, WO; WO02/086285, WO; WO02/086286, WO; WO02/090713, WO; WO02/103150, WO; WO03/012255, WO
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이 특허에 인용된 특허 (15)
English WIlliam A. (Shelbyville IN), Apparatus and method for manufacture flexible reclosable containers.
Selle, Paul A.; Radtke, Kenneth C.; Sauder, Charles H.; Johnson, Paul A.; White, Christopher Lee; Johnson, Arvid R.; Prellwitz, Gregory T.; Stickney, Michael J.; Jansen, Thomas C.; Saucier, Christopher A.; Leitzke, Terry L.; Schmoll, Bradley J., Method and apparatus for making bags.
Selle, Paul A.; Radtke, Kenneth C.; Sauder, Charles H.; Johnson, Paul A.; White, Christopher Lee; Johnson, Arvid R.; Prellwitz, Gregory T.; Stickney, Michael J.; Jansen, Thomas C.; Saucier, Christopher A.; Leitzke, Terry L.; Schmoll, Bradley J., Method and apparatus for making bags.
Selle, Paul A.; Radtke, Kenneth C.; Sauder, Charles H.; Johnson, Paul A.; White, Christopher Lee; Johnson, Arvid R.; Prellwitz, Gregory T.; Stickney, Michael J.; Jansen, Thomas C.; Saucier, Christopher A.; Leitzke, Terry L.; Schmoll, Bradley J., Method and apparatus for making bags.
Johnson, Arvid R.; Hunnicutt, Peter T.; White, Christopher L.; Jansen, Thomas C.; Rymer, Timothy J.; Selle, Paul A., Method and apparatus for sealing a web.
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