Pandrol Limited

Roger D Larke

Stephen John Cox

Christopher Gardner

Brian George Conroy

Trevor P Brown

Barry Marshall

Jan Svendsen

A rail pad ( ), for electrically isolating a railway rail ( ), comprises a rail seat portion ( ) for supporting a foot of the rail ( ), a pair of upstands ( ) joined to opposite edges of the rail seat portion ( ) of the pad ( ) by respective webs such that respective channels ( ) for directing water away from the rail are defined between the rail seat portion ( ) of the pad ( ) and each adjacent upstand ( ). Such a pad provides improved wet electrical resistance.

Electrically insulating rail pad

A railway rail anchoring device, for use with a railway rail-fastening clip which is approximately M-shaped in plan and has first and second leg portions and a rail-bearing portion, comprises a base member and first and second clip-retaining members connected together by the base member such that the first clip-retaining member is spaced apart from the second clip-retaining member so as to define between the first and second clip-retaining members an opening for receiving the rail-bearing portion of such a clip. Each of the first and second clip-retaining members defines a passageway for receiving one of the leg portions of such a clip, and a boundary surface of at least one of the passageways includes, at a location intermediate respective ends of the passageway, first locating part for engagement, when the device is in use with such a clip, with a first region of the leg portion of the clip located in the passageway such that the clip can be held in a pre-assembly position in which the is retained by the device but the rail-bearing portion of the clip does not bear on a rail. Second locating part is also provided on a boundary surface of at least one of the passageways for engagement with a second region of the leg portion of the clip located in the passageway such that the clip can be held in a working position in which the rail-bearing portion of the clip bears on the rail. The first and second locating parts are such that the clip cannot move out of the pre-assembly position towards a rail unless driven in a first direction and the clip cannot move out of the working position away from the rail unless driven in a second direction, opposite to the first direction.

Fastening railway rails

A railway rail fastening clip (1) suitable for holding down a railway rail (2) is formed from a rod of resilient material bent so as to be approximately M-shaped in plan, the clip (1) being such that, when it is bearing on the flange of a rail (2), the longitudinal axis of a part (14) thereof, which interconnects inner legs (13, 15) of the M, lies in a reference plane which is substantially parallel, but not identical, to a plane containing the longitudinal axes of outer legs (11, 17) of the M. Such clips (1) are used with an anchoring device (5), which, as the clip (1) is installed therein, deflects the outer legs (11, 17) downwardly with respect to the inner legs (13, 15), so as to place the clip under stress.

Growing community of inventors

Retford, United Kingdom

Roger D Larke