Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Patent
1995-04-20
1997-02-18
Cannon, James C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including components having same physical characteristic in...
428215, 428216, 4284233, 4284235, 4284237, 4284242, 428430, 428435, 428441, 4284747, 4284749, 4284752, 4284758, 4284769, 428480, 428483, 428515, 4289088, 428910, 428911, B32B 702, B32B 1710, B32B 2708, B32B 2736
Patent
active
056040199
ABSTRACT:
A tear resistant film comprises more than five layers situated one on the other in a parallel array. The layers are individually selected from a stiff polyester or copolyester, a ductile polymeric material, and optionally, an intermediate material. The stiff polyester or copolyester is oriented in at least one direction. Tear resistance may be measured in a Graves area test and reflects the ability of the film to absorb energy. The films of the invention are useful in many articles including security control laminates for glazing members.
REFERENCES:
patent: 3188265 (1965-06-01), Charbonneau
patent: 3485912 (1969-12-01), Schrenk et al.
patent: 3487505 (1970-01-01), Chisholm
patent: 3565985 (1971-02-01), Schrenk et al.
patent: 3576707 (1971-04-01), Schrenk et al.
patent: 3607354 (1971-09-01), Krogh et al.
patent: 3647612 (1972-03-01), Schrenk et al.
patent: 3711176 (1973-01-01), Alfrey, Jr. et al.
patent: 3741253 (1973-06-01), Brax et al.
patent: 3759647 (1973-09-01), Schrenk et al.
patent: 3775226 (1973-11-01), Windorf
patent: 3891486 (1975-06-01), Willdorf
patent: 3899621 (1975-08-01), Willdorf
patent: 3907926 (1975-09-01), Brown et al.
patent: 3949134 (1976-04-01), Willdorf
patent: 3956559 (1976-05-01), Willdorf
patent: 4011358 (1977-03-01), Roelofs
patent: 4028475 (1977-06-01), Willdorf
patent: 4075386 (1978-02-01), Willdorf
patent: 4081581 (1978-03-01), Littell, Jr.
patent: 4091150 (1978-05-01), Roelofs
patent: 4247599 (1981-01-01), Hopper
patent: 4349469 (1982-09-01), Davis et al.
patent: 4540622 (1985-09-01), Brunion et al.
patent: 4540623 (1985-09-01), Im et al.
patent: 4563388 (1986-01-01), Bonk et al.
patent: 4584229 (1986-04-01), Bourelier et al.
patent: 4636442 (1987-01-01), Beavers et al.
patent: 4643943 (1987-02-01), Schoenberg
patent: 4652275 (1987-03-01), Bloecher et al.
patent: 4705707 (1987-11-01), Winter
patent: 4729927 (1988-03-01), Hirose et al.
patent: 4749617 (1988-06-01), Canty
patent: 4799939 (1989-01-01), Bloecher et al.
patent: 4906523 (1990-03-01), Bilkadi et al.
patent: 4908278 (1990-03-01), Bland et al.
patent: 4911963 (1990-03-01), Lustig et al.
patent: 4929714 (1990-05-01), Trotter et al.
patent: 4939009 (1990-07-01), Beavers et al.
patent: 4940616 (1990-07-01), Yatsu et al.
patent: 4945002 (1990-07-01), Tanuma et al.
patent: 4965108 (1990-10-01), Biel et al.
patent: 4965135 (1990-10-01), Im et al.
patent: 4976898 (1990-12-01), Lustig et al.
patent: 5024895 (1991-06-01), Kavanagh et al.
patent: 5034263 (1991-07-01), Maier et al.
patent: 5059470 (1991-10-01), Fukuda et al.
patent: 5304224 (1994-04-01), Harmon
patent: 5355636 (1994-10-01), Harmon
patent: 5422189 (1995-06-01), Warner et al.
Schrenk, W. J. and Alfrey, T., Jr., "Some Physical Properties of Multilayer Films", Polymer Polymer Engineering and Science, vol. 9, No. 6, Nov. 1969, pp. 393-399.
Im, J. and Schrenk, W. J., "Coextruded Microlayer Film and Sheet", Journal of Plastic Film and Sheeting, vol. 4, Apr. 1988, pp. 104-115.
Research Disclosure, "Coextruded Film and Sheeting Structures of Polypropylene and Polyester", Oct. 1989.
Baer, Eric, "Advanced Polymers", Scientific American, Oct. 1986.
Allen Richard C.
Bland Ralph H.
Bradley Jeffrey F.
Jonza James M.
Smith James D.
Cannon James C.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Skolnick Steven E.
LandOfFree
Tear resistant multilayer films and articles incorporating such does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Tear resistant multilayer films and articles incorporating such , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tear resistant multilayer films and articles incorporating such will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1601262