Method and apparatus for skiving and hemming

Manufacturing container or tube from paper; or other manufacturi – Tube making – With cutting – breaking – tearing – or abrading

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

493356, 493291, 493370, 409138, B31C 1102

Patent

active

045403910

ABSTRACT:
A method and apparatus are disclosed for skiving and hemming one or more edges of a paperboard web or blank to improve the sealing qualities of a container made from the paperboard. The paperboard is skived twice generally parallel to its edge, once to define an oblique surface and once to make a flat skived surface. The latter is folded over the former and heat-sealed to a heat sealable material adjacent the skived region, defining a wedge-shaped edge portion. The folded over part is preferably ironed to produce a substantially flat sheet, and the wedge-shaped edge is preferably reshaped at some point in the process to make the entire folded over surface substantially flush with the unskived surface to which it is sealed. The flat skived surface is preferably made by a milling procedure in which the milling teeth strike the material while moving in a direction opposite to that of the motion of the material.

REFERENCES:
patent: 496131 (1893-04-01), Peirce
patent: 527963 (1894-10-01), Gay
patent: 1602597 (1926-10-01), Staude
patent: 1756157 (1930-04-01), Jouret
patent: 1775753 (1930-09-01), Evans et al.
patent: 1854481 (1932-04-01), Mudd
patent: 1921269 (1933-08-01), Staude
patent: 1968982 (1961-01-01), Cousino
patent: 2096044 (1937-10-01), Johns
patent: 2117460 (1938-05-01), Staude
patent: 2255472 (1941-08-01), Quarnstrom
patent: 2440120 (1948-04-01), Ringler
patent: 2549254 (1951-04-01), Smyth
patent: 2595483 (1952-05-01), Petter
patent: 2873565 (1959-02-01), Arneson
patent: 2929437 (1960-03-01), Stevens
patent: 3018212 (1962-01-01), Chinn
patent: 3028743 (1962-04-01), Braun
patent: 3057267 (1962-10-01), Johnson, Jr.
patent: 3058868 (1962-10-01), Schroeder
patent: 3074327 (1963-01-01), Grahn
patent: 3099378 (1963-01-01), Schroeder
patent: 3182882 (1965-05-01), Aellen, Jr. et al.
patent: 3362294 (1968-01-01), Oxel
patent: 3365111 (1968-01-01), Nair, Jr. et al.
patent: 3465625 (1969-08-01), Daly
patent: 3495507 (1970-02-01), Haas et al.
patent: 3604317 (1971-09-01), Baun
patent: 3654842 (1972-04-01), Schwenk
patent: 3687351 (1972-08-01), Kaercher et al.
patent: 3795164 (1974-03-01), Schneider
patent: 3816206 (1974-06-01), Coster
patent: 4003276 (1977-01-01), Schmitt
patent: 4033474 (1977-07-01), Rentmeester
patent: 4254693 (1981-03-01), Schadonski et al.
patent: 4401004 (1983-08-01), Glans et al.
"Milling Handbook of High-Efficiency Metal Cutting", General Electric, 1980, pp. 58, 59.

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

Method and apparatus for skiving and hemming 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 and apparatus for skiving and hemming, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for skiving and hemming will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1426368

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