Film or sheet forming apparatus

Details Film or sheet forming apparatus Film or sheet forming apparatus

2008-01-29

2008-01-29

Gupta, Yogendra N. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Diverse distinct type shaping means

Shaping orifice and either a downstream preform reshaping...

C425S224000

Reexamination Certificate

active

10875219

ABSTRACT:
To form a film or sheet relatively thin and needing a high degree of precision in thickness, such as for an optical use, while suppressing temperature fluctuations at one side opposite to the other side in contact with an outer peripheral surface of a roll (11), an outer peripheral surface of the roll is covered, with a necessary gap (t) left, by a windshield (20) of a double-layered structure having a thermally insulating property.

REFERENCES:
patent: 2974364 (1961-03-01), Lambert et al.
patent: 3141194 (1964-07-01), Jester
patent: 3157723 (1964-11-01), Hochberg
patent: 3159696 (1964-12-01), Hodgson, Jr.
patent: 3223757 (1965-12-01), Owens et al.
patent: 3423493 (1969-01-01), Klenk et al.
patent: 3502757 (1970-03-01), Spencer
patent: 3847516 (1974-11-01), Hoffman
patent: 3904725 (1975-09-01), Husky et al.
patent: 4421709 (1983-12-01), Steinberg
patent: 4605366 (1986-08-01), Lehmann et al.
patent: 4610617 (1986-09-01), Christ et al.
patent: 4676851 (1987-06-01), Scheibner et al.
patent: 4803027 (1989-02-01), Peiffer et al.
patent: 5057259 (1991-10-01), Parmelee
patent: 5091134 (1992-02-01), Oshima et al.
patent: 5320787 (1994-06-01), Hayashi et al.
patent: 5972280 (1999-10-01), Hoagland
patent: 6071110 (2000-06-01), Mikkelsen
patent: 6152720 (2000-11-01), Greb et al.
patent: 6619941 (2003-09-01), Smith et al.
patent: 6790404 (2004-09-01), Yapel et al.
patent: 6994533 (2006-02-01), Yapel et al.
patent: 7018187 (2006-03-01), Meyer
patent: 2002/0036362 (2002-03-01), Chigira et al.
patent: 2002/0135087 (2002-09-01), Yapel et al.
patent: 2003/0041957 (2003-03-01), Harvey et al.
patent: 1 254 856 (1968-05-01), None
patent: 3 620 219 (1987-12-01), None
patent: 59133018 (1984-07-01), None
patent: 59196223 (1984-11-01), None
patent: 2001-300957 (2001-10-01), None
patent: 2002-036333 (2002-02-01), None
Official Action dated Dec. 19, 2005, Issued by German Patent and Trademark Office in corresponding German Patent Application (Official File No. 10 2004 030 823.3).
Notification of Reasons for Refusal dated Jan. 21, 2006, issued by Korean Patent Office in corresponding Korean Patent Application No. 10-2004-0048252.

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