Screw extrusion press having barrel temperature control means

Screw linkage structure for use in an injection molding machine

Screw-in-plunger injection apparatus

Sealable discharge die for thermoplastic

Sealing plate for a spinnerette assembly

Self-centering molding apparatus

Self-releasing mold

Self-sealing compact spinneret for a melt spinning process

Shaping apparatus for an extrusion system

Side gated injection molding apparatus with actuated manifold

Siding die

Single direction cam for insert molding machine

Single screw extruder

Slide retainer for injection molds

Slide retaining device and method of installation

Spacing means for reflex pin block

Spin beam for spinning a plurality of synthetic filament yarns a

Spin pot with improved top cap

Spinneret for melt spinning filaments

Spinning block