WebCPC CPC COOPERATIVE PATENT CLASSIFICATION
B27M WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B TO B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
B27M 1/00 Working of wood not provided for in subclasses B27B to B27L, e.g. by stretching
B27M 1/003 ・{Mechanical surface treatment}
B27M 1/006 ・・{for preparation of impregnation by deep incising}
B27M 1/02 ・by compressing
B27M 1/04 ・by punching out
B27M 1/06 ・by burning or charring, e.g. cutting with hot wire (as surface treatment B44B){cutting synthetic materials with heated tools B26F 3/06 to B26F 3/12}
B27M 1/08 ・by multi-step processes
B27M 3/00 Manufacture or reconditioning of specific semi-finished or finished articles (features of copying devices B23Q; manufacture of plywood or veneer, shaping plywood or veneer into articles B27D; of central layers for plywood B27D 1/06; nailing or stapling machines in general B27F 7/00; of elements for cooperage or wheel making B27H){presses therefor B27D 3/00}
B27M 3/0006 ・{Devices for fixing fittings into holes}
B27M 3/0013 ・{of composite or compound articles (working veneer or plywood B27D)}
B27M 3/002 ・・{characterised by oblong elements connected at their ends (B27M 3/006 takes precedence)}
B27M 3/0026 ・・{characterised by oblong elements connected laterally (B27M 3/006 takes precedence; making fencing or the like comprising bars connected by wires B21F 29/02; cane or similar material joined by strand or wire twisting B27J 1/006)}
B27M 3/0033 ・・・{by a plurality of clamps each used with similar articles and each functionning similarly but time-delayed}
B27M 3/004 ・・・{by nails, staples or screws}
B27M 3/0046 ・・・{by rods or tie wires}
B27M 3/0053 ・・・{using glue}
B27M 3/006 ・・{characterised by oblong elements connected both laterally and at their ends}
B27M 3/0066 ・・{characterised by tongue and groove or tap hole connections}
B27M 3/0073 ・・{characterised by nailing, stapling or screwing connections}
B27M 3/008 ・・{characterised by bar or grill connections}
B27M 3/0086 ・・{characterised by connecting using glue}
B27M 3/0093 ・{of raised panels, i.e. panels having a profiled surface}
B27M 3/02 ・of roofing elements, e.g. shingles
B27M 3/04 ・of flooring elements, e.g. parqueting blocks (assembling wooden elements on backings of other substances B32B, {e.g. B32B 31/00F4, E04F 15/16; furniture joints F16B 12/00})
B27M 3/06 ・・of composite floor plates per se by assembling or jointing the parqueting blocks
B27M 3/08 ・of specially shaped wood laths or strips {covering of mouldings with veneer B27D 1/08}
B27M 3/10 ・of airscrew blades {milling of propeller blades B23C 3/16}
B27M 3/12 ・of railings, stairs, stair stringers, ladders, or parts thereof
B27M 3/14 ・of railroad sleepers
B27M 3/16 ・of tool handles or tools, e.g. mallets
B27M 3/18 ・of furniture {or of doors (B27D 5/003 takes precedence)}
B27M 3/20 ・of lasts; of shoes, e.g sabots; of parts of shoes, e.g. heels
B27M 3/22 ・of sport articles, e.g. bowling pins, frames of tennis rackets, skis, paddles
B27M 3/24 ・of household utensils, e.g. spoons, clothes hangers, clothes pegs
B27M 3/26 ・of smokers utensils, e.g. pipes
B27M 3/28 ・of dowels or bolts {wood screws B23G}
B27M 3/30 ・of bobbins
B27M 3/32 ・of tapered poles, e.g. mine props
B27M 3/34 ・of cases, trunks, or boxes, of wood or equivalent material which cannot satisfactorily be bent without softening (nailing or stapling in general B25C, B27F; of cardboard, paper, or similarly workable material B31B){Manufacture of cleats therefor (manufacture of tubes, coops or barrels B27D 1/00, B27D 1/08; by folding grooved panels B27G 5/00)}
B27M 3/36 ・・Machines or devices for attaching blanks together, e.g for making wire-bound boxes {manufacture of wire-bound wooden tubes B27H 5/02}
B27M 3/38 ・of walking sticks or of sticks for umbrellas
--- Edited by Muguruma Professional Engineer Office(C), 2013 ---