Machine for making bags

Manufacturing container or tube from paper; or other manufacturi – Container making – Pliable container

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C493S194000, C493S199000, C493S204000

Reexamination Certificate

active

07922640

ABSTRACT:
A machine for making bags from sheet material of indeterminate length, especially thermoplastic material, has a pair of spaced folders of special construction for folding the material lengthwise. The entry end of the machine can be adjusted as to height. An applicator for adhesive tape can be positioned between the folders. A special construction thermowelds the folded layers together along transverse lines and severs or perforates them along those lines.

REFERENCES:
patent: 236633 (1881-11-01), Ruthenburg
patent: 360149 (1887-03-01), Fowler
patent: 833470 (1906-10-01), Lipowsky
patent: 1053655 (1913-02-01), Sherrard
patent: 2265075 (1941-12-01), Knuetter
patent: 2347439 (1944-04-01), Shea et al.
patent: 2544044 (1951-03-01), Reber et al.
patent: 2789640 (1957-04-01), Belden
patent: 3227024 (1966-01-01), Krebs
patent: 3269722 (1966-08-01), Ramsey
patent: 3384528 (1968-05-01), Lehmacher et al.
patent: 3525279 (1970-08-01), Christian
patent: 3555974 (1971-01-01), Davis, Jr.
patent: 3574039 (1971-04-01), Fehr et al.
patent: 3874976 (1975-04-01), MacFarland, Jr.
patent: 3940305 (1976-02-01), Stenberg
patent: 4047711 (1977-09-01), Gregoire et al.
patent: 4250796 (1981-02-01), Achelpohl et al.
patent: 4281546 (1981-08-01), Fraleigh
patent: 4433527 (1984-02-01), Ramsey et al.
patent: 4441395 (1984-04-01), McRoskey
patent: 4512138 (1985-04-01), Greenawalt
patent: 4613320 (1986-09-01), Lerner
patent: 4630429 (1986-12-01), Christine
patent: 4713047 (1987-12-01), Klinkel
patent: 4887973 (1989-12-01), Susini et al.
patent: 5094707 (1992-03-01), Bruno
patent: 5284002 (1994-02-01), Fowler et al.
patent: 5358592 (1994-10-01), Fukuyama
patent: 5618252 (1997-04-01), Melville

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Machine for making bags does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Machine for making bags, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Machine for making bags will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2651601

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.