Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
272 words
A bag filling and closing apparatus comprising: a bag filling station for receiving an opened bag to be filled and for filling in a material into the opened bag; a first bag supplying station disposed on a first side of said bag filling station; a second bag supplying station disposed on a second side of said bag filling station; a movable carriage means movable back and forth between said bag filling station and said first and second bag supplying stations; first opening means disposed on said movable carriage means for receiving and opening a bag when said first opening means is at said first bag supplying station, said first opening means including a first spreading open and holding device for gripping, spreading open, and holding a bag to provide an opened bag; said first opening means holding the opened bag to be filled when said first opening means is at said bag filling station; second opening means disposed on said movable carriage means for receiving and opening a bag when said second opening means is at said second bag supplying station, said second opening means including a second spreading open and holding device for gripping, spreading open, and holding a bag to provide an opened bag; said second opening means holding the opened bag to be filled when said second opening means is at said bag filling station; and said movable carriage means alternately moving said first opening means between said bag filling station and said first bag supplying station, and said movable carriage means alternately moving said second opening means between said second bag supplying station and said bag filling station.
Claim 2
Dependent Claim
272 words
A bag filling and closing apparatus comprising: a bag filling station for receiving an opened bag to be filled and for filling in a material into the opened bag; a first bag supplying station disposed on a first side of said bag filling station; a second bag supplying station disposed on a second side of said bag filling station; a movable carriage means movable back and forth between said bag filling station and said first and second bag supplying stations; first opening means disposed on said movable carriage means for receiving and opening a bag when said first opening means is at said first bag supplying station, said first opening means including a first spreading open and holding device for gripping, spreading open, and holding a bag to provide an opened bag; said first opening means holding the opened bag to be filled when said first opening means is at said bag filling station; second opening means disposed on said movable carriage means for receiving and opening a bag when said second opening means is at said second bag supplying station, said second opening means including a second spreading open and holding device for gripping, spreading open, and holding a bag to provide an opened bag; said second opening means holding the opened bag to be filled when said second opening means is at said bag filling station; and said movable carriage means alternately moving said first opening means between said bag filling station and said first bag supplying station, and said movable carriage means alternately moving said second opening means between said second bag supplying station and said bag filling station.
Claim 3
Dependent Claim
24 words
An apparatus according to claim 1, further comprising means disposed at each said first and second bag supplying station for pulling on a bag.
Claim 4
Dependent Claim
91 words
An apparatus according to claim 1, further comprising a bag dispensing means disposed at each said first and second bag supplying station for dispensing a bag from a stack of pre-perforated individual bags; said dispensing means including two substantially parallel, vertical rods which in their upper regions are curved and terminate in a substantially flat surface with a socket therein, and resiliently biased depressors terminating in rounded surfaces, and said rounded surfaces contacting side sockets for allowing only one bag from the stack of bags to be dispensed at a time.
Claim 5
Dependent Claim
35 words
An apparatus according to claim 3, further comprising a liftable and adjustable support means disposed at each said first and second bag supplying station for supporting and vertically moving the stack of pre-perforated individual bags.
Claim 6
Dependent Claim
42 words
An apparatus according to claim 4, further comprising a carriage, said support means being disposed on said carriage, said vertical rods are releasably attached to said carriage, and said support means includes means for defining slots, said slots receiving said vertical rods.
Claim 7
Dependent Claim
30 words
An apparatus according to claim 1, further comprising a roll stand disposed at each said first and second bag supplying station for accommodating a roll of prefabricated endless bag material.