Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With bending – folding – winding – or wrapping means
Patent
1976-03-31
1978-06-06
Powell, William A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With bending, folding, winding, or wrapping means
93 1C, 93 77FT, 131 61R, 131 88, 156158, 156259, 156456, 156517, 156559, 156567, B65C 904
Patent
active
040934969
ABSTRACT:
Composite filter rods, from which composite filters for attachment to cigarette lengths are obtained, are produced by joining component filter portions with uniting bands which overlap the end portions only of adjacent filter portions. The uniting bands are obtained by longitudinally slitting a web of wrapping material into strips, spacing the strips by passing each strip around spaced turner bars, and finally severing the strips on a rolling drum. The component filter portions are conveyed transversely in aligned groups to a rolling plate which cooperates with the rolling drum to wrap a uniting band around each junction between adjacent filter portions in a group.
REFERENCES:
patent: 2524945 (1950-10-01), Vonhofe
patent: 3039367 (1962-06-01), Stelzer
patent: 3199418 (1965-08-01), Schubert
patent: 3368460 (1968-02-01), Schubert
patent: 3576695 (1971-04-01), Stine
patent: 3809593 (1974-05-01), Burke et al.
patent: 3961633 (1976-06-01), Schubert et al.
Molins Limited
Powell William A.
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