1
Hilton Joseph Raymond, Odell Raymond: Improvements in and relating to respirators.. Racal Safety, December 18, 1985: EP0164946-A2 (46 worldwide citation)

The present invention relates to a pump module (14) for a powered air purifying respirator assembly including a facepiece (1) and a filter canister (32). The pump module (14) comprises a housing (15) having an air inlet (16) and an air outlet (17) and containing a fan (22) and motor (24). The pump m ...


2
Odell Raymond, O& 039, Connor Richard Kevin, Edward David Brian: Respirator.. Racal Safety, November 23, 1983: EP0094757-A2 (16 worldwide citation)

The present invention relates to improvements in power assisted positive pressure respirators for use in contaminated atmospheres. The respirator comprises a facepiece 1 having an inlet 3 connected to a pump unit 5 for supplying air to the facepiece which has been filtered by filter means 11 connect ...


3
Odell Raymond, O& 039, Connor Richard Keven, Easton David Buckley, Davies Stephen James: Powered air supply units for respirators.. Racal Safety, May 16, 1984: EP0108560-A1 (8 worldwide citation)

A powered air supply unit for a respirator for connection by a flexible hose to a facepiece or headpiece for supplying air thereto, comprises a generally rectangular housing (1) comprising side walls (2) closed at one end by an end wall (5) and at the other end defining an opening (3) with a stepped ...


4
Odell Raymond, Bowers John Lawrence: Filter composite with electrostatic and mechanical layers. Racal Health & Safety, Minnesota Mining & Mfg, March 31, 1999: GB2329598-A (7 worldwide citation)

A filter composite comprises a first electrostatic filter layer 1, a second layer 2 comprising a mechanical filter, and a third layer 3 comprising another electrostatic filter. The electrostatic layers preferably comprise a blend of polypropylene and modacrylic fibres, with the ratio of their weight ...


5
Odell Raymond, O& 039, Connor Richard Keven, Easton David Buckley, Davies Stephen James: Powered air supply unit for respirators. Racal Safety, May 10, 1984: GB2128897-A (3 worldwide citation)

A powered air supply unit for a respirator for connection by a flexible hose to a facepiece or headpiece for supplying air thereto, comprises a generally rectangular housing (1) comprising side walls (2) closed at one end by an end wall (5) and at the other end defining an opening (3) with a stepped ...


6
Avery Martin J, Odell Raymond, Graves Jason A: Personal protective suit with partial flow restriction. 3m Innovative Properties Co, January 12, 2005: EP1494760-A1 (2 worldwide citation)

A personal protective suit for a wearer includes a hood portion located generally above the wearer's neck and at least partially enveloping the wearer's nose and mouth, a body portion located generally below the wearer's neck and at least partially enveloping the wearer's torso, an air delivery syst ...


7
Lowe Brian A, Odell Raymond: Casque de protection, Protective devices. Racal Amplivox Communications, SIM & MCBURNEY, July 22, 1980: CA1081902

IMPROVEMENTS IN OR RELATING TO PROTECTIVE DEVICES ABSTRACT OF THE DISCLOSURE An improved anti-dust helmet comprising a shell spacedfrom the wearer's head by a supporting harness and provided witha transparent visor sealed at the sides to the wearer's face. Between the helmet shell and the wearer's h ...


8
Lowe Brian A, Odell Raymond: Dispositifs protecteurs, Protective devices. Racal Amplivox Communications, October 30, 1979: CA1065101

Title of the Invention IMPROVEMENTS IN OR RELATING TO PROTECTIVE DEVICES Abstract of the Disclosure A protective visor comprises an arcuately curvedframe having an aperture arranged to accept an arcuately flexedrectangular sheet of resilient transparent material. Thesheet is retained in the frame by ...


9
Cook David, Odell Raymond, Petherbridge Ian T, Legare Pierre, Lapointe Robert P, Krepel Kenneth J, Blomberg David M, Baker Derek S, Betz James R, Insley Thomas I: Apparatus and method for breathing apparatus component coupling. 3m Innovative Properties Co, May 2, 2003: EP1305083-A1

The present invention relates to a fan-forced positive pressure breathing apparatus commonly known as a Powered Air Purifying Respirators (PAPR) system, and specifically concerns the connecting of the breathing components of such equipment. The invention is a method and apparatus for rapid engagemen ...


10
Odell Raymond, Graves Jason A, Avery Martin J: Personal containment system with sealed passthrough. 3m Innovative Properties Co, January 12, 2005: EP1494759-A1

A personal containment system includes a generally fluid-tight barrier and a powered air delivery system. The blower is generally isolated from the outer environment and draws purified air from a filter in fluid communication with the blower and generally located outside the containment system. A se ...