Access door for ductwork

Adjustable clamp and force level indicator for screening machine

Anchoring device

Barrel ring lock assembly

Child proof closure device for doors

Clamp assembly for high pressure diaphragm test cells

Clamping ring for removable covers of drums

Clamping ring with removable handle

Clamping straps with safety mechanism for container covers

Closure clamp

Closure lock with inflatable bladder

Closure ring assembly for an open-head drum

Closure ring assembly for steel drums

Container clamping ring with improved lever and thumb latch

Container tension ring closure

Cover for port light

Device for closing a pressure vessel

Device for joining and sealing together two enclosures isolated

Device for the installation and retention of a shutter plate for

Disconnectable connecting device for two components with a non-c