Method for the production of sawblades, especially jigsaw or sabresaw blades

• US 4,345,499 A
• Filed: 05/06/1980
• Issued: 08/24/1982
• Est. Priority Date: 05/10/1979
• Status: Expired due to Term

• Current Assignee: Frank L. Ross
• Original Assignee: Frank L. Ross
• Inventors: Ross, Frank L.
• Primary Examiner(s): PARKER JR, ROSCOE
• Application Number:
  US06/147,184
• Time in Patent Office: 840 Days
• Field of Search: 76/112, 76/25 R, 76/104 R, 76/101 R, 30/346, 30/351, 83/835, 83/838
• US Class Current: 83/835
• CPC Class Codes: B23D 61/123 Details of saw blade body
• CPC Class Codes: B23D 61/128 Sabre saw blades
• CPC Class Codes: B23D 65/00 Making tools for sawing machines or sawing devices for use in cutting any kind of material
• CPC Class Codes: Y10T 83/9319 Toothed blade or tooth therefor

Abstract

A sawblade is manufactured by a swaging or cold-forging operation so as to be either complete with teeth and relief indentations on the side surfaces of a blade body or by producing a sawblade body with a seat wherein a separately formed toothed insert may be fastened, e.g. by soldering, brazing or welding.

Claims

1. A sawblade, especially a jigsaw blade, characterized by comprising a blade body incorporating a cold swaged relief groove on each side surface thereof and by a cold swaged preformed slot in said blade body, and further characterized by having a toothed insert fastened into said

2. A method for the production of saw blades, characterized by the step of forming in one continuous, but segmented cold die-swaging operation, a blade body with unset teeth along a cutting edge thereon and with a cold-swaged relief area, extending along said cutting edge on opposed side

3. A method as defined in claim 2, characterized by cold swage-forming said relief area as a concave relief configuration on each side surface along

4. A method for the production of saw blades, especially jigsaw blades, characterized by the steps of cold die-swaging an elongate basic blade body with a cold swaged longitudinal groove on each side surface thereof and with a slot formed on the edge normally reserved for cutting teeth and subsequently affixing in said slot a pre-formed toothed insert.