Thread removal apparatus for use in the manufacture of infusion

Cutting – With means to convey work relative to tool station – Cut made parallel to direction of and during work movement

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Details

83343, 83346, 83909, B26D 700

Patent

active

058904085

ABSTRACT:
A web (W) of sheet material intended to form individual tagged packets has surplus portions of a thread (S) extending along its length removed while the web is being advanced. After severing one end of each unwanted thread portion with a rotary cutter (2), the severed end is lifted by a wiper (10), and the lifted end is held away from the web by suction means (20) while it is detached by shearing means (22). The suction means (20) then remove the detached thread portion.

REFERENCES:
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patent: 3144216 (1964-08-01), Billingsley
patent: 3834291 (1974-09-01), Bishop
patent: 4549454 (1985-10-01), Yamashita
patent: 5135762 (1992-08-01), Vernon et al.
patent: 5275075 (1994-01-01), Keech et al.
patent: 5312318 (1994-05-01), Vernon et al.
patent: 5399224 (1995-03-01), Vernon et al.
patent: 5527419 (1996-06-01), Vernon et al.
patent: 5580408 (1996-12-01), Vernon et al.

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