US PATENT SUBCLASS 100 / 237
.~ Plural movable platens on side-by-side paths


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



100 /   HD   PRESSES

214  DF  RECIPROCATING PRESS CONSTRUCTION {26}
237.~ Plural movable platens on side-by-side paths


DEFINITION

Classification: 100/237

(under subclass 214) Apparatus in which a single mass of material is compressed by plural movable pressure surfaces moving in parallel paths toward a single opposing pressure surface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

61+, for portable receptacle lid applying presses having a movable platen which presses spaced areas of the lid concurrently, the movable platen sometimes being in the form of a plurality of pressure surfaces.

SEE OR SEARCH CLASS

38, Textiles: Ironing or Smoothing,

20, for smoothing machines wherein the work is smoothed between platens and one of the press platens is sectional and has parts which are adjustable with respect to the other parts of the platen. 68, Textiles: Fluid Treating Apparatus,

124, for squeezing machines in which the squeezers are of the vertically rectilinearly reciprocating type and in which there are a plurality of squeezers acting successively on a batch of textiles.

72, Metal Deforming,

404, for a plural tool-couple metal shaping apparatus, and see the notes thereunder.

164, Metal Founding,

172+, for sand mold compacting apparatus employing plural rammers.

234, Selective Cutting (e.g., Punching), for a machine in which a series or gang of punches is employed, and from which series any number or set may be selected (by the operator or by a pattern) to perforate a design or an array of code symbols.

425, Plastic Article or Earthenware Shaping or Treating: Apparatus,

343, for plural spaced reshaping means or vulcanizing means acting on a single preform, subclass 356 for plural shaping plungers coacting with a single female mold, subclass 421, for a male-female shaping couple with a tamp rod, and subclass 431, for a female mold and tamp rod combination.