摘要:
Certain areas of chip wood board are increased in density by means of an injection device having a plunger therein and an outlet. A circumferentially closed relatively thin wall is supported by the device adjacent the outlet and is pressed into the board for limiting the area of the board to be treated. A density-increasing material is then injected and guided by the wall into the board. Holding members engage opposite surfaces of the board, and a clamping plate holds the board in position relative to the injection device.
摘要:
An apparatus for longitudinal fluid impregnation of a log comprising a cap for enclosing one end of a log, the cap having a rear wall and a peripheral side wall so as to define a fluid treatment zone, members inserted through apertures in the side wall of the cap for locking it to the log, a first ring for encircling the log and abutting the said members, a self-sealing compressible means for encircling the log and abutting the first ring, a second ring for encircling the log and abutting the sealing means, the second ring having or associated with means for retaining it against movement on the log, means for exerting pressure on an end of the log so that compression will be applied to the sealing means, and means for introducing a pressurised log-treating fluid into the treatment zone for the fluid to be forced along within the log.
摘要:
AN END CAP FOR IMPREGNATING WOOD, ESPECIALLY A BARKCOVERED SAP-FRESH TREE TRUNK, HAVING A RIGID SECTION WITH PROVISIONS FOR CONNECTING A SOURCE OF WOOD-IMPREGNATING SOLUTION THERETO AND AN ELASTIC SECTION WHICH FORMS A LIQUID-TIGHT CHAMBER BETWEEN THE RIGID SECTION AND THE TREE TRUNK.
摘要:
A tree medication capsule for insertion into a hole in the trunk of a tree includes a hollow cartridge driven into a predrilled hole in the tree with wound dressing sealing the hole; barbs on the cartridge engage the sides of the hole to prevent the tree from ejecting the capsule while the tree sap dissolves sealant material in slots in the cartridge to free the medication in the capsule for absorption by the tree.