Adhesive binding method and device for carrying out this method

Rotary punching apparatus

Puncher having replaceable knife holder

Punch

Apparatus for perforating a non-woven sheet

Punching mold

Optical recording medium producing method, and optical recording medium producing device

Alignment ring for a punch

Punch with a head having two metal carbide layers that differ in hardness and coefficient of expansion

Punch structure

Punching and binding system and elements thereof

Punching and binding system and elements thereof

Punching and binding system and elements thereof

Punching and binding system and elements thereof

Punching and binding system and elements thereof

Biasing assembly for a punching device

Punching tool

Knockout punch with pilot hole locator

Reversible floating punch retainer for punch change retainer tool

Punching and binding systems and elements thereof

Bandolier format packaging

Hole punch device having punch elements with non-circular cutting surfaces

System and method for analysing laboratory samples

Rotary punch and punch pin holder

Punch pin structure and cutting tool of punching apparatus

Paper punch pin

Paper punch apparatus

In-line punching system

System, apparatus, and method for pipe transportation

Punching device making large rectangular holes in rectangular tubing and method thereof

Spot weld removal punch

Die punch assembly

Punch and method for piercing holes with a retention structure

Systems and methods for trimming powered cards and devices