Package making – Methods – Conforming by stretching or shrinking of cover over contents
Reexamination Certificate
2009-08-21
2010-11-23
Gerrity, Stephen F (Department: 3721)
Package making
Methods
Conforming by stretching or shrinking of cover over contents
C053S455000, C053S459000, C053S556000, C053S562000, C053S570000
Reexamination Certificate
active
07836666
ABSTRACT:
The present invention provides an apparatus for bagging material into a film. The film has at least two overlapping sheets and at least one open edge. The apparatus a pair of spaced apart carriages and a pair of clamp assemblies movably mounted to a respective carriage. The clamp assemblies are pivotally movable relative to the respective carriage and vertically moveable along the length of the respective carriage. The clamp assemblies engage the film and open the film by separating the overlapping sheets. The clamp assemblies are moved downwardly along the length of the respective carriages so as to provide for the opened film to progressively bag material positioned thereunder. The clamp assembly includes a clamp having a pair of clamping members which are configured to grip a portion of the overlapping sheets for separation thereof. A method for bagging material into a film is also disclosed.
REFERENCES:
patent: 3621638 (1971-11-01), Grocke
patent: 3707064 (1972-12-01), Mucka et al.
patent: 3735557 (1973-05-01), Hoffarth et al.
patent: 3738079 (1973-06-01), Rudman et al.
patent: 3778960 (1973-12-01), Christensen et al.
patent: 3961459 (1976-06-01), Wolske
patent: 3978638 (1976-09-01), Sether
patent: 4050219 (1977-09-01), Higgins
patent: 4063401 (1977-12-01), Higgins
patent: 4064678 (1977-12-01), Grocke
patent: 4473990 (1984-10-01), Thimon
patent: 4546598 (1985-10-01), Karpisek
patent: 4698951 (1987-10-01), Everman et al.
patent: 4724658 (1988-02-01), Birkenfeld et al.
patent: 5142841 (1992-09-01), Cappi et al.
patent: 6032439 (2000-03-01), Birkenfeld et al.
patent: 6298636 (2001-10-01), Lachenmeier et al.
patent: 6381929 (2002-12-01), Chen
patent: 6662535 (2003-12-01), Pin
patent: 6722103 (2004-04-01), Gambetti
patent: 6904736 (2005-06-01), Drolet
patent: 6925778 (2005-08-01), Suolahti
patent: 6978587 (2005-12-01), Drolet
patent: 7114311 (2006-10-01), Drolet
patent: 7114313 (2006-10-01), Drolet
patent: 2002/0139089 (2002-10-01), Pin
patent: 2002/0170270 (2002-11-01), Borchard
patent: 2003/0019187 (2003-01-01), Drolet
patent: 2007/0051075 (2007-03-01), Chen
patent: 4439023 (1996-05-01), None
patent: 3908957 (1996-12-01), None
patent: 1-240425 (1989-09-01), None
patent: 11011435 (1999-01-01), None
Gerrity Stephen F
Ladas & Parry LLP
LandOfFree
Method for bagging material does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for bagging material, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for bagging material will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4250410