# US 2014/0196733 A1 · Electronic Cigarette > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0196733 A1 - Document ID: US20140196733A1 - Status: Published application - Kind: A1 - Application number: 13/879,392 - Filed: 2013-01-15 - Published: 2014-07-17 - Earliest claimed: 2013-01-15 - Inventors: Qiuming Liu - Web page: https://patentgrep.com/patent/US20140196733A1 ## CPC - A24F 40/46: Shape or structure of electric heating means - A24F 40/44: Wicks - A24F 40/51: Arrangement of sensors - A24F 40/10: Devices using liquid inhalable precursors - A24F: SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES (inhaling appliances for medical purposes, shaped like cigars, cigarettes or pipes A61M15/06) ## Abstract The present invention provides an electronic cigarette including a soft pipe-stem composed of a stem portion and a mouthpiece. The stem portion is provided with a film onto its external wall. Using the pipe-stem made from soft material and attaching the film onto the external wall of the stem portion of the pipe-stem, the electronic cigarette can lead to soft and real experience of holding the cigar in hand and sucking by mouth, is more mimic and healthier. ## Claims ### Claim 1 An electronic cigarette comprising a soft pipe-stem composed of a stem portion and a mouthpiece portion; and the stem portion is provided with a film onto its external wall. ### Claim 2 (depends on 1) The electronic cigarette as recited in claim 1, wherein the mouthpiece is sleeved with a mouthpiece case made of soft material. ### Claim 3 (depends on 2) The electronic cigarette as recited in claim 2, wherein the mouthpiece case is of a hollow cylinder shape; or, the mouthpiece case is of a barrel shape with one end being opened while the other end thereof being provided with an intake through hole in its bottom wall. ### Claim 4 (depends on 1) The electronic cigarette as recited in claim 1, wherein the film is a paper film and the paper film is any one or more of the following papers: bond paper, thermal-sensitive paper or coated paper. ### Claim 5 (depends on 1) The electronic cigarette as recited in claim 1, wherein the film is a plastic film and the plastic film is any one or more of the following films: PET film, PP film and PVC film. ### Claim 6 (depends on 1) The electronic cigarette as recited in claim 1, wherein a nozzle case is mounted on a corresponding end of the mouthpiece of the electronic cigarette; and a suction hole is defined in the nozzle case. ### Claim 7 (depends on 6) The electronic cigarette as recited in claim 6, wherein the nozzle case is made from any one or more of the following material: silica gel, rubber, foam or EVA. ### Claim 8 (depends on 1) The electronic cigarette as recited in claim 1, wherein a light permeable cigar cap is installed on a corresponding end of the stem portion of the electronic cigarette; the cigar cap is of a crown shape protruded outwardly; and a light source is disposed at an inner side of the cigar cap. ### Claim 9 (depends on 1) The electronic cigarette as recited in claim 1, wherein the pipe-stem is made from any one or more of the following material: silica gel, rubber, foam or EVA. ### Claim 10 (depends on 1) The electronic cigarette as recited in claim 1, wherein a cigar liquid cup is disposed inside the pipe-stem; the cigar liquid cup includes a cup body which is coaxial with the pipe-stem and tightly pressed against an inner wall of the pipe-stem and an atomizer cartridge sealed and secured to one end of the cup body. ### Claim 11 (depends on 10) The electronic cigarette as recited in claim 10, wherein an atomization component is held radially inside the cup body; the atomization component includes an oil-guiding member pressed against the inner wall of the cup body and an electric heater coil enwound on the oil-guiding member. ### Claim 12 (depends on 11) The electronic cigarette as recited in claim 11, wherein the cup body includes oil retention cotton, oil-guiding cotton, a first glass fiber tube and a second glass fiber tube all of which are hollow; the oil retention cotton is pressed against the inner wall of the pipe-stem and is coaxial with the pipe-stem; the oil-guiding cotton is pressed against an inner wall of the oil retention cotton and placed coaxially with the pipe-stem in a contact region of the atomization component; a groove is defined circumferentially at a middle portion of the oil-guiding cotton; the first glass fiber tube is a helix formed by enwinding helically a glass fiber wire and is accommodated inside the groove; and the second glass fiber tube is pressed against the inner walls of the first glass fiber tube and oil-guiding cotton respectively and is disposed coaxially with the pipe-stem. ### Claim 13 (depends on 11) The electronic cigarette as recited in claim 11, wherein one end of the pipe-stem corresponding to the stem portion is provided with a battery of which two electrodes are coupled with two ends of the electric heater coil respectively through a conductive wire which passes through the atomization cartridge and cup body. ### Claim 14 (depends on 13) The electronic cigarette as recited in claim 13, wherein a holding bracket is provided at one end of the pipe-stem corresponding to the stem portion; and a gas sensor electrically connected to the battery is secured on the holding bracket.