1
Donald L Snellman, Dean G Tonkin: Method and apparatus for laser cutting separate items carried on a continuously moving web. Norfin International, Dowrey & Associates, March 18, 1997: US05611949 (19 worldwide citation)

Apparatus and method for separating book covers or other items joined by a continuously moving web. A double-walled tubular attachment strip is adhesively attached to the spine portion of successive spaced covers in a continuous process. Covers are fed onto a conveyor at a constant speed with a spac ...


2
Donald L Snellman, Bernard A Pearson, John W Jacobs: Microfiche feeder. Donald L Snellman, Seed and Berry, October 22, 1985: US04548395 (19 worldwide citation)

A microfiche feeder 10 conveys isolated sheets of microfiche from a stack 30 to a collator 12, sorter, or other processing apparatus. The stack of microfiche is placed in a receiver. A drive wheel 34 contacts the lowest sheet of the stack 30 to increment the sheet forward by suction as the wheel rev ...


3
Donald L Snellman, John C Kuspert: Book cover applicator. March 7, 1978: US04077078 (19 worldwide citation)

The book cover applicator is suitable for use in applying covers to multiple sheet fillers which have been secured together along the spine by a hotmelt adhesive. The applicator includes clamps for securing the filler and cover at a cover application station, a heater bar for applying heat to melt t ...


4
Donald L Snellman, Dean G Tonkin: Method and apparatus for preparing book covers. Norfin, November 15, 1994: US05364215 (17 worldwide citation)

Apparatus and method are disclosed for preparing a preprinted book cover for application to a book block in a perfect binding system A double-walled tubular attachment strip is adhesively attached to the cover spine portion of successive covers in a continuous process. Covers are fed onto a conveyor ...


5
Donald L Snellman, Osceola J Gerbracht: Collator. Norfin, Seed Berry Vernon & Baynham, June 16, 1981: US04273326 (14 worldwide citation)

A rear entry collator which includes one or more sheet receiver bins in which sheets may be assembled in a non-inverted surface orientation with respect to the surface orientation thereof when accepted at infeed. Return sheet feed to a copier may be provided to effect duplex copying separately or in ...


6
Donald L Snellman, Dean G Tonkin: Method and apparatus for forming bookbinding strips. Norfin International, Dowrey & Associates, March 5, 1996: US05496253 (11 worldwide citation)

Apparatus and method are disclosed for preparing a preprinted book cover for application to a book block in a perfect binding system A double-walled tubular attachment strip is adhesively attached to the cover spine portion of successive covers in a continuous process. Covers are fed onto a conveyor ...


7
Donald L Snellman, John C Kuspert, Arthur G Saunders: Sheet jogger. Norfin, Dowrey & Cross, September 13, 1977: US04047713 (11 worldwide citation)

The jogger includes side edge joggers in combination with an end edge jogger and a resilient sheet stop, both extending the height of a vertical column of sheet receiving compartments. The sheet stop engages and positions the sheets within the sheet receiving compartments in preparation for jogging ...


8
Donald L Snellman, Wade C Vaughn: Adjustable feed level for sorting device. Norfin, Dowrey & Cross, June 15, 1976: US03963235 (10 worldwide citation)

A vertically adjustable infeed conveyor section for the conveyor system of a sheet sorting device. The sheet sorting device is of the type having side-by-side vertical columns of bins with distributor means for directing individual sheets or groups of sheets of paper in series to the individual bins ...


9
Donald L Snellman, Willard G Hudson: Thermally stable helically plied cable. Norfin, Dowrey & Cross, November 6, 1979: US04173113 (9 worldwide citation)

The cable includes continuous glass filaments which are helically plied in rovings at a constant helical angle from cable center to outer surface and bonded together in elastomeric material. When heated, thermal elongation of the filaments is opposed by simultaneous radially directed thermal volumet ...


10
Donald L Snellman, John C Kuspert, Arthur G Saunders: Sheet binding apparatus. Norfin, Dowrey & Cross, February 22, 1977: US04009071 (8 worldwide citation)

The sheets in a column of compartments of a sorter, collator or the like are jogged to align their edges. An endless belt is moved past a glue dispenser to coat a length of the belt corresponding to the number of compartments to be covered. The belt is then moved into engagement with the edges of th ...