Ads
related to: swingline 3 hole punch replacement parts catalog
Search results
Results From The WOW.Com Content Network
Swingline is a division of ACCO Brands Corporation that specializes in manufacturing staplers and hole punches. From its foundation in 1925, the company was located in Long Island City, Queens , New York , United States , until the plant was moved to Nogales , Mexico, in 1999.
The origins of the hole punch date back to Germany; Friedrich Soennecken filed his patent on 14 November 1886, for his Papierlocher für Sammelmappen, a multiple-hole punch and office supply product. [1] [2] A Google Doodle was used on 14 November 2017 to celebrate the 131st anniversary of the hole punch. [3]
The most common mechanism is based upon the Sweet patent. Within the body of the punch, there are three principal moving parts arranged in line: The punch; The intermediate rod (tumbler) The hammer (hammer mass) The hammer mass is spring-loaded from the back of the punch by a large spring. (The spring's preload compression can usually be ...
Chassis punches: assorted sizes round and square Chassis punches: assorted sizes round and square disassembled. In metalworking, a knockout punch, also known as a chassis punch, panel punch, Greenlee punch, or a Q-max, [1] is a hand tool used to punch a hole through sheet metal. It is a very simple tool that consists of a punch, die, and screw.
Usually, the punch and die are close to the same dimensions, creating a sheared edge when they meet. A punch that is significantly smaller than the die can be used to produce an extruded hole where the punch displaces the punched material to the sides, forming a tube perpendicular to the punched sheet. [2] [3]
2 Merge with punch hole. 1 comment. 3 Dr Gold - fact or ... 1 comment. 6 23 hole punch? 5 comments. 7 Half-size 3-hole. 1 comment. 8 ISO 838 Introduction? 2 comments ...