E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
E04G17/0642—Devices for extracting or inserting wall ties or parts thereof
E—FIXED CONSTRUCTIONS
E04—BUILDING
E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices