A - Human Necessities – 01 – G
Patent
A - Human Necessities
01
G
56/10
A01G 23/10 (2006.01)
Patent
CA 1272381
ABSTRACT OF THE DISCLOSURE The disclosure herein describes a device for collecting sap from trees which has a sap-collecting section adapted to be inserted into the outer layers of a tree; this section displays thereon an annular recess in which is received an expansible sealing element. A second member is partially mounted over the sap- collecting section of the first member and is adapted to be moved against the sealing element so as to expand the element when the device is inserted into a tree cavity to thereby prevent air infiltration in the device when the sap-collecting system is operating under vacuum conditions.
593668
Goudreau Gage Dubuc
Ipl Inc.
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