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Class Information
Number: 156/474
Name: Adhesive bonding and miscellaneous chemical manufacture > Surface bonding means and/or assembly means therefor > With bending, folding, winding, or wrapping means > For an indefinite or running length flexible web > Pleating means
Description: Apparatus having means causing the web to be progressively and repeatedly folded back on itself to produce a zig-zag folded product.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7235115 |
Method of forming self-supporting pleated filter media |
Jun. 26, 2007 |
| 6946012 |
Filter and forming system |
Sep. 20, 2005 |
| 6913059 |
Ceramic fiber-based filter web and method |
Jul. 5, 2005 |
| 6635136 |
Method for producing materials having z-direction fibers and folds |
Oct. 21, 2003 |
| 6616785 |
Filter forming and joining method |
Sep. 9, 2003 |
| 6615893 |
Filter forming and joining apparatus |
Sep. 9, 2003 |
| 6548147 |
Apparatus and process for producing a corrugated web and an absorbent article comprising a corrugated web |
Apr. 15, 2003 |
| 6524359 |
Filter bag for a pocket air filter and method for the production thereof |
Feb. 25, 2003 |
| 6230776 |
Apparatus for forming fibrous filter media |
May. 15, 2001 |
| 6230777 |
Filter forming and joining apparatus |
May. 15, 2001 |
| 6159318 |
Method for forming fibrous filter media, filter units and product |
Dec. 12, 2000 |
| 6010548 |
Spaced pocket filter assembly and method of manufacturing same |
Jan. 4, 2000 |
| 5961778 |
Corrugating apparatus |
Oct. 5, 1999 |
| 5894044 |
Honeycomb structure and method of making |
Apr. 13, 1999 |
| 5868889 |
Process for manufacturing a fluid filter |
Feb. 9, 1999 |
| 5853528 |
Method for manufacturing laminates and apparatus performing the method |
Dec. 29, 1998 |
| 5830311 |
Corrugating apparatus |
Nov. 3, 1998 |
| 5804073 |
Method of making a pleated structure having a pleated memory shape and the filter media made therefrom |
Sep. 8, 1998 |
| 5782791 |
Method of manufacturing a fluid filter |
Jul. 21, 1998 |
| 5709771 |
Method and apparatus for forming an expandable-collapsible article having a contoured surface |
Jan. 20, 1998 |
| 5622583 |
Method of producing a filter insert |
Apr. 22, 1997 |
| 5545284 |
Apparatus for manufacturing laminate for honeycomb structure |
Aug. 13, 1996 |
| 5545274 |
Artificial flower making apparatus, method of making the same and artificial flower made thereby |
Aug. 13, 1996 |
| 5476558 |
Waste paper destruction apparatus for forming paper blocks out of waste paper |
Dec. 19, 1995 |
| 5472606 |
Self-supporting, pleated, spirally wound filter |
Dec. 5, 1995 |
| 5429744 |
Spacer elements between membrane surfaces of a fluid purifier, and a method for their manufacture |
Jul. 4, 1995 |
| 5423937 |
Device for making blind having Y-shaped pleats |
Jun. 13, 1995 |
| 5405483 |
Apparatus for forming pleated material |
Apr. 11, 1995 |
| 5395465 |
Method for manufacturing laminate for honeycomb structure |
Mar. 7, 1995 |
| 5389188 |
Apparatus for, forming pleats in a sheet material |
Feb. 14, 1995 |
| 5376218 |
Device for manufacturing a filter |
Dec. 27, 1994 |
| 5350473 |
Cover forming apparatus having pivoting forming members |
Sep. 27, 1994 |
| 5286319 |
Ultrasonic pleat welding machine |
Feb. 15, 1994 |
| 5275677 |
Separator of corrugated paper and method |
Jan. 4, 1994 |
| 5185052 |
High speed pleating apparatus |
Feb. 9, 1993 |
| 5160563 |
Method and apparatus for making an expandable cellular shade |
Nov. 3, 1992 |
| 5151151 |
Pleating machine for dual fluted shade |
Sep. 29, 1992 |
| 5135461 |
Method and apparatus for creasing a web to form a multi-cellular collapsible shade |
Aug. 4, 1992 |
| 5120376 |
Method and apparatus for manufacture of a light-proof and folded window curtain |
Jun. 9, 1992 |
| 5084178 |
Corrugated filter arrangement with support layer and flow channels |
Jan. 28, 1992 |
| 5015317 |
Method and apparatus for making a multi-cellular collapsible shade |
May. 14, 1991 |
| 5007977 |
Method and apparatus for applying a strip to the planar contour-prepared edge of a rotating lens |
Apr. 16, 1991 |
| 4999073 |
Honeycomb pleater |
Mar. 12, 1991 |
| 4986863 |
Process for producing a laminated tubular fibrous structure for use as reinforcing structure for a composite piece |
Jan. 22, 1991 |
| 4976677 |
Process for the production of filters, and a filter produced by the process |
Dec. 11, 1990 |
| 4948445 |
Method and apparatus for making a corrugated fiberboard honeycomb structure |
Aug. 14, 1990 |
| 4940500 |
Filter medium forming system and process |
Jul. 10, 1990 |
| 4904332 |
Apparatus for producing disposable headdress |
Feb. 27, 1990 |
| 4874457 |
Web corrugating apparatus |
Oct. 17, 1989 |
| 4828636 |
Method for producing multi-page documents from a material web |
May. 9, 1989 |
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