1
Peirce Roger William, Peirce Jason William: Crush barrier. Cleanline Fabrications, August 29, 1990: GB2228510-A (6 worldwide citation)

A crush barrier comprises a first frame extending substantially vertically to form the barrier, a second frame extending substantially horizontally adjacent one side of the barrier to form a ground support, the second frame being connected to the first frame, and a plate (3) which lies adjacent the ...


2
Peirce Roger William: Earth seal unit. Cleanline Fabrications, December 20, 1989: GB2219894-A (1 worldwide citation)

An earth seal unit has a housing 8 defining a base 9 and side walls 10. A conduit 24 extends into the housing through the base. The seal 28-35 is provided to effect a substantially water-tight coupling between the end region 23 of the conduit and a conductor rod 36 passing through the conduit into t ...


3
Peirce Roger William, Peirce Jason William: Lockable barrier. Cleanline Fabrications, June 2, 1988: GB2197899-A

A lockable barrier comprises a support (1) adapted to be firmly mounted in position in or on the ground and a member (8) pivotally mounted on the support, this member being movable between a substantially horizontal position and a substantially vertical position, this member also being provided with ...