A kind of metal lid for tobacco cylinder

A kind of metal lid for tobacco cylinder

  • CN 101,646,608 B
  • Filed: 02/25/2008
  • Issued: 12/09/2015
  • Est. Priority Date: 02/28/2007
  • Status: Active Grant
First Claim
Patent Images

1. , for a metal lid for tobacco cylinder, comprising:

  • One includes the circular top cover that central recess and takes on top, and this shoulder top radially outward and vertically upward extends from central recess;

    AndThe sidewall of one circumferential integrally forms top cover at shoulder top place, sidewall downwards near and under being arranged in the central recess of top cover, sidewall comprises a crimping and a ruffle, described crimping is circumferentially extending around sidewall, described ruffle by sidewall middle part from distal portion to sidewall bend form, the sidewall distal portion of wherein said formation ruffle bends inwards to central recess direction, wherein said crimping than the distal portion of ruffle further to central recess direction to projecting inward, like this when crimping be locked tobacco cylinder and fasten with the flange extended radially outwardly on tobacco cylinder sidewall lid is fixed to tobacco cylinder time, ruffle and tobacco cylinder leave gap,A contact surface between tobacco cylinder and metal lid, wherein crimping is that segmentation is formed, so that sidewall, in discontinuous position, be all flat above the bottom of ruffle below the turning on shoulder top, make described contact surface be configured to the permeability to air provided when metal lid is installed to tobacco cylinder between metal lid and tobacco cylinder;

    And the connection between tobacco cylinder and metal lid is configured to manually fasten and open.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×