Apparatus for application of a hot melt glue onto the back surfa

Details Apparatus for application of a hot melt glue onto the back surfa Apparatus for application of a hot melt glue onto the back surfa

1980-07-10

1982-06-22

McIntosh, John P.

Coating apparatus

Solid member or material acting on coating after application

Rotary member

118223, 118713, 118DIG14, B05C 102, B42C 900

Patent

active

043356745

ABSTRACT:
An apparatus for applying hot melt glue to back surfaces of book blocks, wherein these back surfaces are distributed in fan-like fashion, by means of glueing rollers, two of which are consecutively arranged conically-shaped rollers which are adjustable in their angular setting, whereby the tearing out resistance of the sheet edges is increased. Each glueing roller is supported in an individual glue pan which may be separately pivoted and adjusted in its height. By adjusting of angular setting of the aforementioned two rollers the vertical position of each glue pan may be corrected. This will ensure a uniform and sufficiently large glue layer over the back surfaces of the blocks throughout the entire process of glueing.

REFERENCES:
patent: 1023569 (1912-04-01), Juengst
patent: 2360918 (1944-10-01), Wade
patent: 3093396 (1963-06-01), Segreto
patent: 4213420 (1980-07-01), Martino

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