Package making – Methods – Forming or partial forming a receptacle and subsequent filling
Patent
1986-09-23
1988-12-13
Culver, Horace M.
Package making
Methods
Forming or partial forming a receptacle and subsequent filling
53202, 53563, 53565, B65B 4326, B65B 4344, B65B 4356
Patent
active
047901233
ABSTRACT:
A method and machine for the manufacture of packing containers of the type where a number of packing container blanks are successively converted to packing containers, open at the top, which are filled with contents, shaped and sealed. The packing container blanks are advanced intermittently during the processing and filling between the different stations, which means especially in packing machines with several conveying elements, that the driving unit of the machine will be unevenly loaded and that the working of the machine will be uneven and jerky. To overcome this it is proposed in accordance with the invention, that the driving of the different conveying elements sould take place asynchronously in accordance with a similar but mutually offset pattern of movement. The one conveying element (6') will then be substantially at standstill during the advance of the second conveying element (6") and vice versa, as a result of which the driving unit obtains an appreciably more uniform torque curve so that uneven operaton and consequent wear and noise can be prevented.
REFERENCES:
patent: 2628010 (1953-02-01), Ray et al.
patent: 3486423 (1969-12-01), Mistarz
patent: 3785113 (1974-01-01), Martensson et al.
patent: 4269516 (1981-05-01), Kopp et al.
patent: 4493687 (1985-01-01), Bernle
patent: 4510732 (1985-04-01), Lothman
Ljungstrom Tommy
Sjostrom Anders
AB Tetra Pak
Culver Horace M.
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