Appeal 2007-1485
Application 10/943,944
According to Appellants, the invention is directed to a wide
fluororesin film having a width of from 1 to 150 m having at least two sheets
of film made from a fluororesin. The fluororesin film has utility as a
covering material for agricultural uses (Specification 5-9).2 Claim 13 is
representative of the invention and is reproduced below:
13. A wide fluororesin film having a width of from 1 to 150 m, having at
least two sheets of films made from a fluororesin, bonded by repeating
a bonding method at least once, wherein the bonding method
comprises disposing said at least two sheets of films so that their
edges overlap each other, thereby forming an overlapping portion,
wherein said overlapping portion includes and is wider than a central
part thereof, press-bonding said central part of said overlapping
portion under heating at a temperature within a range of from lower
by 5°C to higher by 20°C than the melting point of the fluororesin,
and then press-bonding the entire area of said overlapping portion at a
temperature within a range of from lower by 30°C to lower by more
than 5°C, than the melting point, to weld the two sheets of films.
The Examiner has relied on the following prior art references as
evidence of unpatentability:
Jarvis US 2002/0172792 Nov. 21, 2002
Higuchi US 6,512,064 B2 Jan. 28, 2003
Lankhof US 6,706,946 B1 Mar. 16, 2004
Yamanaka3 US 6,878,400 B1 Apr. 12, 2005
Inaba4 US 6,893,729 B2 May 17,
2005
The Examiner entered the following grounds of rejection:
2 We refer to and cite from Appellants’ Appeal Brief dated July 24, 2006 and
the Reply Brief dated October 19, 2006.
3 The application for this patent was filed on November 13, 2001.
4 The application for this patent was filed on November 1, 2002.
2
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