dowelled jointed unreinforced concrete pavement

dowelled jointed plain concrete pavement

The shaft sealing device has seals arranged in three stages in the axial direction between a seal case and a rotating shaft passed through the inner periphery of the seal case.

The rear cover (40) incorporates two throughholes (42) provided with self-centering seals (44).

undowelled jointed unreinforced concrete pavement

undowelled jointed plain concrete pavement

The advantages of said device are that the grout is well compacted and a homogeneous, air-tight surface of said grout is achieved.

The box is adapted to various kinds of multi-joint packing cups.

Multi- section valve bodies having face seals are described herein.

MIGUA expansion joint systems serve to cover, close and seal expansion joints.

Both apparatus and methods for flexible recloseable containers with peel seals (43) are disclosed.

A multi-joint fixture including a proximal base unit, one or more arms serially connected by electromagnetically lockable ball joints, and a distal hub.

In the gasket agent (24), the height (h) of the portion where the gasket agent (24) is contacted with the inner surface (14A) is set lower than the height (H) of the flange.

The bellows (12) is connected with the joint (11) in order to construct a joint unit (1).

A manifold solenoid valve enabling an increase in the attaching-detaching workability of a joint block against a solenoid valve assembly and an increase in the fixing strength of the joint block against the solenoid valve assembly.