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1. WO2002021002 - DRYWALL SCREW

Publication Number WO/2002/021002
Publication Date 14.03.2002
International Application No. PCT/US2000/024473
International Filing Date 07.09.2000
Chapter 2 Demand Filed 05.04.2002
IPC
F16B 23/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
23Specially-shaped heads of bolts or screws for rotations by a tool
F16B 25/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
25Screws that form threads in the body into which they are screwed, e.g. wood screws, self-tapping screws
F16B 35/04 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
35Screw-bolts; Stay bolts; Screw-threaded studs; Screws; Set screws
04with specially-shaped head or shaft in order to fix the bolt on or in an object
CPC
F16B 23/0023
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
23Specially shaped ; nuts or; heads of bolts or screws for rotations by a tool
0007characterised by the shape of the recess or the protrusion engaging the tool
0023substantially cross-shaped
F16B 25/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
25Screws that cut thread in the body into which they are screwed, e.g. wood screws
F16B 35/048
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
35Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
04with specially-shaped head or shaft in order to fix the bolt on or in an object
041Specially-shaped shafts
048Specially-shaped necks
Applicants
  • DORRIS, Kenneth, L. [US]/[US]
Inventors
  • DORRIS, Kenneth, L.
Agents
  • BESHA, Richard, G.
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) DRYWALL SCREW
(FR) VIS A CLOISON SECHE
Abstract
(EN)
The drywall screw (10) includes an elongated shaft (14) about an axis, a screw head (18) at one end. The screw head has a recess having upper (22) and lower (24) portions. The upper portion is comprised of an upwardly flared thin-walled section (25) having convex and concave interior (26) and exterior (28) surfaces, respectively. The lower portion includes a Phillips head slot for receiving a Phillips head driver.
(FR)
L'invention concerne une vis à cloison sèche (10) comprenant un élément allongé (14) autour d'un axe et une tête de vis (18) à une extrémité. La tête de vis comporte une cavité à parties supérieure (22) et inférieure (24). La partie supérieure est constituée d'une portion à fine paroi évasée vers le haut (25) présentant respectivement des surfaces concaves intérieure (26) et extérieure (28). La portion inférieure comporte une fente de tête Philips permettant de recevoir une tête de tournevis pour tête de vis Philips.
Also published as
Latest bibliographic data on file with the International Bureau