Seal for spigot and socket joint for connection of tubular body e.g. pipe, has opposite portions provided in cross-section inside seal, where self-lubricating material is arranged adjacent to opposite portions inside seal
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Seal for spigot and socket joint of tubular portion for sewer pipes, has cavity that is provided between base portion and sealing wedge to allow displacement of sealing wedge against base portion
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Sealing ring for a push-in joint between two pipes
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Method and apparatus for examination of flexible rings made from rubber or synthetics
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Back rotation of partially twisted flexible rubber or synthetic plastic rings, especially sealing rings for waste water pipes, useful in sealing sewage pipes, with maintenance of the rings in centrifigal rotation by a rotation drive
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Sealing ring for a push-in joint
CZ20003749A3
Sealing ring for a socket joint connecting two pipes
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Sealing ring for a push-in socket connection
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Sealing ring for a corrugated pipe
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Sealing ring for a push-in joint connection of two pipes
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Pipe, particularly sewage pipe, provided with a groove for a sealing ring and a sealing ring
