The invention can be used for lapping tools having abrasive stone cylinders and in the field of lapping engine crankcases for vehicles.

Combined core and shell (mould) units

Combined core and shell (mould) units

The system includes a plurality of sealed canisters and a cask sized to receive the sealed canisters in side by side relationship.

Such oil pans may have lighter weight, and/or superior corrosion resistance, than conventional metal oil pans.

Thus, both the housings are connected together, and both the housings face each other across an air gap.

A carrier made up of two housing includes a plurality of drive members that facilitate transferring a driving force between the two housings.

mechanically robust protections that have sufficient durability over vehicle service life such as motor housings, electronic converter cases or connectors.

Housing blocks designed to accommodate hydraulic components are well known.

The invention relates to a fastening device (54) for externally fastening cables or lines to housings (12), especially to the housing of brake cylinders, which device comprises a fastening pin (56) that can be locked in a breather (52) of the housing.

Mechanically robust protections that have sufficient durability over vehicle service life such as motor housings, electronic converter cases or connectors.

A release collet forms a portion of one of the housings.

A plurality of lanced drive members are formed on each of the housings.

According to a second embodiment, both drives have separate housings.

Wheels (5) are separately set on the front and rear casing.