Breakstem riveting tool with stem disposal device

Details Breakstem riveting tool with stem disposal device Breakstem riveting tool with stem disposal device

B - Operations, Transporting

21

J

78/14

B21J 15/18 (2006.01) B21J 15/06 (2006.01)

Patent

CA 1115563

Title of the invention: "BREAKSTEM RIVETING TOOL WITH STEM DISPOSAL DEVICE" ABSTRACT OF THE DISCLOSURE A blind riveting tool head for placing blind breakstem rivets is provided with a stem-disposal device which comprises a flexible hose connected to the rear end of a passage running rearwardly through the head from the rivet-placing jaws. An air injector at the junction of the head and the hose supplies both a flow of air rearwardly along the hose to assist broken-off stem portions rearwardly therealong, and also a flow of air forwardly along the passage through the head. When the tool head is operated to place a rivet, both air- flows are shut off as the rivet-placing jaws approach their rear- most position, and thereafter the rearward airflow along the hose is re-established before the forwards airflow along the passage. P.260 + P.263

337790

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