B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
154/29.05
B65B 51/16 (2006.01) B29C 65/00 (2006.01) B29C 65/02 (2006.01) B29C 65/18 (2006.01) B29C 65/74 (2006.01) B65B 51/30 (2006.01)
Patent
CA 1289046
A DEVICE FOR SEALING ENVELOPES MADE OF PLASTIC MATERIAL AND THE LIKE ABSTRACT OF THE DISCLOSURE The device comprises two paddles (1), each one of the paddles being fixed to a bar (3), the ends of which are located within a cam path (8) formed on the surface turned towards the working zone of support (18) located corresponding to both the lateral heads of the device. The motion of the bars (3) and obviously also of the paddles (1) along the cam path (8) which presents a rectilinear working section (8') and a portion of a circular section (8''), is determined for each bar by a pair of rods (7), each rod having a slot (7'). Two sections of the bars close to their extremeties are placed within the slot (7') and all four rods rotate synchronously, the bars placed corresponding to the same paddle rotating in the same direction while the rods corresponding to the same head of the device rotating in the opposite direction. Suitable arms (4), a carriage (5) and a guiding staff (6) prevent non-conforming motions of the bars (3) and the paddles (1) during the working phase of the same where they present a rectilinear motion and are placed in reciprocal contact.
565393
Macrae & Co.
P.f.m. Spa
LandOfFree
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