Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Forming continuous work followed by cutting
Reexamination Certificate
2006-07-17
2009-11-24
Smith, Duane (Department: 1797)
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
Forming continuous work followed by cutting
C264S013000, C264S145000, C264S148000, C264S210200, C264S210500, C264S211140, C264S211150, C264S211170, C264S469000, C264S555000, C055SDIG007
Reexamination Certificate
active
07622063
ABSTRACT:
A filter element in the form of a nonwoven self-supporting filtration web having rows of folded or corrugated spaced-apart pleats, the web containing continuous thermoplastic fibers a majority of which are aligned at 90°±20° with respect to the row direction. The filter element can be made by forming rows of pleats in such a nonwoven web and cutting the web to a desired size and shape. The filter elements can provide improved mechanical and filtration properties and can exhibit reduced susceptibility to pleat deformation and the loss of space between pleats.
REFERENCES:
patent: 3780872 (1973-12-01), Pall
patent: 3877909 (1975-04-01), Hansen
patent: 3920428 (1975-11-01), Kinsley, Jr.
patent: 3959421 (1976-05-01), Weber et al.
patent: 3971373 (1976-07-01), Braun
patent: 4041203 (1977-08-01), Brock et al.
patent: 4181513 (1980-01-01), Fukuda et al.
patent: 4360433 (1982-11-01), Walker et al.
patent: 4390031 (1983-06-01), Berger
patent: 4429001 (1984-01-01), Kolpin et al.
patent: 4547950 (1985-10-01), Thompson
patent: 4588537 (1986-05-01), Klaase et al.
patent: 4592815 (1986-06-01), Nakao
patent: 4593706 (1986-06-01), Preston et al.
patent: 4622259 (1986-11-01), McAmish et al.
patent: 4798575 (1989-01-01), Siversson
patent: 4798850 (1989-01-01), Brown
patent: 4915835 (1990-04-01), Barzuza et al.
patent: 4976677 (1990-12-01), Siversson
patent: 5075068 (1991-12-01), Milligan et al.
patent: 5141699 (1992-08-01), Meyer et al.
patent: 5240479 (1993-08-01), Bachinski
patent: 5244723 (1993-09-01), Anderson et al.
patent: 5389175 (1995-02-01), Wenz
patent: 5405559 (1995-04-01), Shambaugh
patent: 5470470 (1995-11-01), Leyat
patent: 5496507 (1996-03-01), Angadjivand et al.
patent: 5523033 (1996-06-01), Shambaugh et al.
patent: 5605748 (1997-02-01), Kennedy et al.
patent: 5652048 (1997-07-01), Haynes et al.
patent: 5657750 (1997-08-01), Colman et al.
patent: 5665278 (1997-09-01), Allen et al.
patent: 5667749 (1997-09-01), Lau et al.
patent: 5695487 (1997-12-01), Cohen et al.
patent: 5709735 (1998-01-01), Midkiff et al.
patent: 5772948 (1998-06-01), Chenowith
patent: 5782944 (1998-07-01), Justice
patent: 5785725 (1998-07-01), Cusick et al.
patent: 5811178 (1998-09-01), Adam et al.
patent: 5820645 (1998-10-01), Murphy, Jr.
patent: 5908598 (1999-06-01), Rousseau et al.
patent: 5993943 (1999-11-01), Bodaghi et al.
patent: 6102039 (2000-08-01), Springett et al.
patent: 6136409 (2000-10-01), Kondo et al.
patent: 6165244 (2000-12-01), Choi et al.
patent: D449100 (2001-10-01), Sundet et al.
patent: 6397458 (2002-06-01), Jones et al.
patent: 6398847 (2002-06-01), Jones et al.
patent: 6409806 (2002-06-01), Jones et al.
patent: 6521011 (2003-02-01), Sundet et al.
patent: 2003/0089090 (2003-05-01), Sundet et al.
patent: 2003/0089091 (2003-05-01), Sundet et al.
patent: 1437167 (2004-07-01), None
patent: WO 94/09200 (1994-04-01), None
patent: WO 95/03114 (1995-02-01), None
Brandner John M.
Shah Rahul R.
Sundet Douglas C
Wu Tien T.
3M Innovative Properties Company
Jones Christopher P
Smith Duane
Wood Kenneth B.
LandOfFree
Pleated aligned web filter does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pleated aligned web filter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pleated aligned web filter will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4075504